I Flashcards
icon
n. image; representation
The Statue of Liberty is an icon known around the world.
iconoclast
n.one who attacks traditional or popular ideas or institutions
The writer is an iconoclast who continually questions the established order.
iconography
n. the traditional or conventional images or symbols associated with a subject, especially a religious or legendary subject
In Hindu iconography the rotation of the Swastika in four directions has been used to represent many ideas, but it primarily describes the four directions, the four Vedas, and their harmonious whole.
idealistic
adj. relating to the pursuit of noble goals
There is an idealistic element in American culture.
ideological
adj. relating to a set of beliefs forming the basis of a political system
The party is trying to avoid ideological disputes.
ideology
n. a set of beliefs forming the basis of a political system
The country’s ideology was shaped by its culture.
idiom
n. expression whose meaning as a whole differs from the meanings of its individual words
“Out-of-the-blue” is an idiom meaning “unexpected.”
idiosyncrasy
n. peculiarity of temperament, eccentricity
Everyone has some idiosyncrasies.
idiot savant
n. a mentally retarded person who exhibits extraordinary talent in one field
The idiot savant startled the mathematics teacher by almost instantly calculating the square root of 23,787 in her head.
idolatry
n. n. idol worship; blind or excessive devotion
The young lovers places her lover on a pedestal and worships him with honest idolatry.
idyllic
adj. simple and carefree; tranquil
The couple lives an idyllic life in Tahiti.
igneous
adj. produced by fire; volcanic
Geologists identified the rock as igneous.
ignoble
adj. dishonorable, not noble in character
His ignoble act disgraced his family.
ignominious
adj. disgraceful and dishonorable
His life came to an ignominious end.
ilk
n. type or kind
People of that ilk are often misunderstood.
illicit
adj. illegal, improper
The ca was searched at the border for illicit drugs.
illimitable
adj. limitless
On a clear night the stars seem illimitable.
illuminate
v. to make understandable
The English professor’s lecture illuminated the poem.
illusion
n. erroneous belief or perception
The magician created the illusion that the car had disasppeared.
illusory
adj. deceptive; not real
[
It took Mr. Rogers nearly a lifetime to realize that he was pursuing an illusory goal.
illustrious
ad. famous, renowned
The illustrious basketball player signed autographs at the school.
imbroglio
n. complicated situation; an entanglement
The novel’s plot is based on how the main character gets into and out of one imbroglio after another.
imbue
v. to infuse; dye, wet, moisten
The school held a pep rally to imbue students with school spirit.
immaculate
adj. spotless; free from error
Ted’s new white shirt is immaculate.
immanent
adj. existing within
That religion believes that God is immanent in nature.
immaterial
adj. extraneous, inconsequential, irrelevant, nonessential; not consisting of matter
It is immaterial to me whether you study or not.
imminent
adj. about to happen; impending
The wedding is imminent.
immunological
adj. relating to immune system
Dr. Stevenson is an expert on immunological disorders.
immutable
adj. unchangeable
Scientists believe that the laws of nature are immutable.
impartial
adj. unbiased, fair
The judge tries to be impartial.
impasse
n. blocked path, dilemma with no solution
After a month of negotiations they reached an impasse.
impassioned
adj. with passion
The convicted man made an impassioned plea for mercy.
impassive
adj. showing no emotion
The novelist sees herself as an impassive recorder of human behavior.
impeach
v. to charge with misdeeds in public office; accuse
The Senate voted to impeach the judge.
impeccable
adj. perfect
The actor gave an impeccable performance.
impecunious
adj. poor, having no money
The government offers help to those who are impecunious.
impede
v. to hinder; block
The student’s progress is impeded by an inability to concentrate on his work.
impediment
n. barrier, obstacle
Russ believes that the greatest impediment to success is lack of focus on the task at hand.
imperative
adj. essential; mandatory
It is imperative that you follow instructions precisely in an emergency.
imperious
adj. arrogantly self-assured, domineering, overbearing
No one on the staff likes the boss’s imperious manner.
impermeable
adj. impossible to penetrate
The groundskeeper put an impermeable covering on the field.
impertinent
adj. rude
The teacher considered the student’s remark to be impertinent.
imperturbable
adj. not easily disturbed
The head emergency room nurse remains imperturbably through every medical crisis.
impervious
adj. impossible to penetrate; incapable of being affected
Most people regard Bart as a terrible writer, yet he continues to churn out stories, impervious to criticism.
impetuous
adj. quick to act without thinking
She regretted her impetuous action almost as soon as she did it.
impinge
v. to encroach
The Supreme Court ruling was criticized as impinging on civil liberties.
impious
adj. not devout in religion
The ancient Greek philosopher Socrates was accused of being impious.
implacable
adj. inflexible, incapable of being pleased
They were implacable in their opposition to the plan.
implausible
adj. unlikely; unbelievable
The explanation was implausible but nevertheless turned out to be correct.
implement
v. put into effect
The plan was implemented immediately.
implicate
v. to involve in a crime, incriminate
Organized crime has been implicated in the recent murder.
implication
n. that which is hinted or suggested
Theimplications of the decision are not clear.
implicit
adj. implied; understood but not stated
Implicit in her remark is a criticism of the idea.
implode
v. to collapse inward violently
The submarine sank to the sea floor and later imploded.
imply
v. to hint or suggest
I don’t understand what you are implying.
impolitic
adj. not wise or expedient
It would be impolitic to present the governor with our decision at this time.
imponderable
adj. unable to be weighed or assessed
A pragmatist, Jim sees no point in thinking about imponderable questions such as “Why do things exist?”
importune
v. to ask repeatedly, beg
The student importuned the teacher to raise his grade.
impose
v. to inflict, force upon
The general imposed military rule on the country.
imposing
adj. dignified, grand
Government buildings are often designed to be imposing.
imposition
n. something inflicted or forced upon
The request was regarded as an imposition by many.
impotent
adj. powerless, ineffective, lacking strength
The country launched a full-scale nuclear attack, seeking to render the enemy impotent.
impound
v. to seize and confine
The car was impounded because its owner didn’t make the monthly payment.
impoverish
v. make poor or bankrupt
The citizens of the state complained that high taxes were impoverishing them.
imprecation
n. curse
The witch uttered an imprecation.
impregnable
adj. totally safe from attack, able to resist defeat
The commander believes the base to be impregnable.
impresario
n. a sponsor or producer of public entertainments
Bill Graham was a noted rock impresario.
impressionable
adj. easily influenced or affected
He is at an impressionable age.
imprimatur
n., official approval to publish; sanction
The Nobel laureate’s introduction to the young scholar’s book served as a sort of imprimatur.
impromptu
adj. spontaneous, without rehearsal
The teacher asked the students to give impromptu speeches.
improvident
adj. without planning or foresight, negligent
Because Jim was improvident, he had no savings.
improvise
v. perform without preparation; make from available materials
The actor was forced to improvise when he forgot his lines.
imprudent
adj. unwise or indiscreet
The coach’s decision to start a freshman as quarterback was criticized as imprudent.
impudent
adj. arrogant, audacious
The teacher punished the student for her impudent remark.
impugn
v. to call into question, attack verbally
The newspaper article impugned the judge’s integrity.
impunity
n. exemption from penalty, punishment, or harm
After the enemy’s air defenses were destroyed, our airplanes bombed their targets with impunity.
impute
v. to relate to a particular cause or source; attribute the fault to; assign as a characteristic
The audience imputed an evil intention to the character.
inadvertent
adj. careless, unintentional
The mistake was clearly inadvertent.
inalienable
adj. incapable of being surrendered
The U.S. Constitution guarantees citizens certain inalienable rights.
inane
adj. silly; senseless
The English teacher told the class that inane comments would not receive credit.
inanimate
adj. not exhibiting life
In the cartoon inanimate objects come alive.
inanition
n. exhaustion
In one of the Sherlock Holmes stories, Dr. Watson says about Holmes, “My friend had no breakfast himself, for it was one of his peculiarities that in his more intense moments he would permit himself no food, and I have known him presume upon his iron strength until he has fainted from pure inanition.”
inarticulate
adj. incapable of giving coherent, clear, or effective expression to one’s ideas or feelings
Timothy was so upset that he became inarticulate.
inaugurate
v. to begin or start officially; induct into office
The new president will be inaugurated in January.
incalculable
adj. impossible to calculate; unpredictable
There are an incalculable number of starts in the universe.
incandescent
adj. shining brightly
Thomas Edison invented the first commercially practical incandescent lamp.
incarcerate
v. to put in jail; confine
The judge ordered that the prisoner be incarcerated.
incarnadine
adj. blood-red in color
The dragon’s flashing incarnadine eyes terrified the young knight.
incarnate
v. to give bodily, especially human form to
The ancient Greeks believed that the goddess incarnated as a beautiful girl on the island of Naxos.
incendiary
adj. combustible, flammable, burning easily
Incendiary bombs were dropped on the ciry.
incense
v. to infuriate, enrage
The actor was incensed by the bad review of his performance.
inception
n. beginning
Since its inception the paper has been unsuccessful.
incessant
adj. continuous, never ceasing
I am going to complain about the incessant barking of my neighbor’s dog.
incest
n. sexual intercourse between persons too closely related to marry legally
Nearly every society has taboos against incest.
inchoate
adj. imperfectly formed or formulated
The plan is still inchoate.
incidental
adj. not essential; minor
The company will pay for the incidental expenses of your trip.
incipient
adj. beginning to exist or appear; in an initial stage
It is difficult to diagnose the disease in its incipient stage.
incisive
adj. perceptive; penetrating
This book offers an incisive analysis of the issue.
incite
v. to arouse to action
The prisoner incited his fellow inmates to riot.
inclusive
adj. tending to include all
Its leaders are working to make the political party more inclusive.
incognito
adj. in disguise, concealing one’s identity
The detective went to the party incognito.
incoherent
adj. unintelligible; illogical
Your argument is incoherent.
incommunicado
adj. deprived of communication with other people
The prisoner is being held incommunicado.
incompatible
adj. inharmonious
The couple divorced because they were incompatible.
inconceivable
adj. impossible, unthinkable
All0out nuclear war would cause inconceivable destruction.
inconclusive
adj. not certain; open to doubt
The results of the experiment were inconclusive.
incongruity
n. something that doesn’t fit in
The detective looked for an incongruity in the suspect’s story.
incongruous
adj. not fitting
The old-fashioned furniture is incongruous in the modern office.
inconsequential
adj. insignificant’ unimportant
One dollar is an inconsequential amount of money to a billionaire.
inconspicuous
adj. not readily noticeable
The new student made herself as inconspicuous as she could.
incontrovertible
adj. indisputable
The findings of the commission are incontrovertible.
incorrigible
adj. uncorrectable
The incorrigible student was sent to the principal.
incredulity
n. skepticism, doubtfulness
Imagine our incredulity when we were told that a UFO had landed nearby.
incredulous
adj. skeptical, doubtful
We were incredulous when the newspaper reported that a UFO had landed on the White House lawn.
incremental
adj. relating to an increase
Countries are talking incremental steps toward eliminating environmental pollution.
inculcate
v. to teach, impress in the mind
Schools try to inculcate good values i students.
inculpate
v. to blame, charge with a crime
Andrew was inculpated in the crime.
incumbent
adj. holding a specified office, often political
It is generally difficult for a challenger to defeat an incumbent president.
incursion
n. sudden invasion
The country’s defenses are prepared to resist an enemy incursion.
indefatigable
adj. never tiring
Lucy was indefatigable in her efforts to improve her vocabulary.
indelible
ad. permanent, not erasable
My first grade teacher made an indelible impression on me.
indeterminate
adj. uncertain; indefinite
The witness described the man as being of an indeterminate age.
indicative
adj. showing or pointing out, suggestive of
The speaker’s tone is indicative of her attitude toward the subject.
indict
v. to charge
Ten people were indicted for criminal activity.
indifferent
adj. unmoved or unconcerned; mediocre
Many people are indifferent to events that occur far away.
indigenous
adj. native, occurring naturally in an area
Trees introduced from Europe are driving out indigenous ones in many parts of Australia.
indigent
adj. very poor
The indigent family applied for food stamps.
indignant
adj. angry, incensed, offended
The student was indignant at the suggestion that she had copied her assignment.
indiscriminate
adj. random; not properly restrained
The city is troubled by acts of indiscriminate violence.
indoctrinate
v. to imbue with a partisan point of view
The company tries to indoctrinate new workers.
indolent
adj. habitually lazy, idle
The manager fired the indolent worker.
indomitable
adj. fearless, unconquerable
The indomitable explorer refused to give up.
indubitable
adj. unquestionable
The facts of the case are indubitable.
inducement
n. act or process of persuasion or bringing about
No inducement could get the child to go to shcool.
induct
v. to place ceremoniously in office; to admit to military service
The all-star basketball player was inducted into the hall of fame.
induction
n. the process of deriving general principles from particular facts
The problem was solved by the use of induction.
inductive
adj. related to induction
The following is an example of inductive reasoning: All of the ice we have examined so far is cold. There fore, all ice is cold.
indulge
v. to give in to a craving or desire
I went to the ice cream parlor to indulge my craving for chocolate ice cream.
indulgent
adj. humoring; lenient; tolerant
The indulgent parents spoiled their child.
inebriated
adj. drunk, intoxicated
Julia was arrested for driving when she was inebrated.
ineffable
adj. incapable of being expressed
The poem is trying to express the ineffable.
ineffectual
adj. not effective; weak
The steps taken to reduce unemployment were ineffectual.
ineluctable
adj. not to be avoided or escaped; inevitable
The ineluctable conclusion of the research is that the comet will strike the Earth in 22 years.
inept
adj. clumsy, awkward; incompetent
The actor’s performance was inept.
inert
adj. unable to move; sluggish
After the feast we sat at the table, inert.
inertia
n. resistance to action or change
The inertia in the education system makes change slow.
inestimable
adj. too great to be estimated
The diamond’s worth is inestimable.
inevitable
adj. unavoidable
It is inevitable that we will die.
inexorable
adj. inflexible, unyielding
Nothing could stop the inexorable advance of the invading army.
inexplicable
adj. difficult or impossible to explain
The inexplicable event left us all puzzled.
inextricabel
adj. incapable of being disentangled
Politics and economics are often inextricable.
infallible
adj. incapable of making a mistake
No one is infallible.
infamous
adj. notoriously bad
Adolph Hitler is one of history’s infamous characters.
infamy
n. reputation for bad deeds
Hitler and Stalin are names that will live in infamy.
infantile
adj. childish, immature
The teacher scolded the student for his infantile behavior.
infatuated
adj. strongly or foolishly attached to, inspired with foolish passion
Sheila is infatuated with Bill.
inference
n. deduction; conclusion
What inference can we make from the statement?
infidel
n. person who does not believe in a religion
The knight went on a crusade against the infidels.
infiltrate
v. to pass secretly into enemy territory
The spy infiltrated enemy headquarters.
infinitesimal
adj. extremely tiny
A year is an infinitesimal amount of time in the life of the universe.
infirmity
n. disease, ailment
The infirmities of the elderly are a major problem for society.
inflated
dj. exaggerated
Bill has an inflated idea of his importance.
infrastructure
n. an underlying foundation; basic facilities needed in a community
The poor country received a loan to improve its infrastructure.
infringement
n. act of encroaching or trespassing; transgression, violation
The Supreme Court ruled that the law is an infringement of individual rights.
infuriate
v. to enrage, provoke, outrage
The failing grade on the test infuriated the student.
ingenious
adj. clever
The plan was ingenious.
ingénue
n. a naïve, innocent girl or young woman
The actress plays the part of the ingénue who falls in love with a Casanova.
ingenuous
adj. naïve and trusting; lacking sophistication
The ingenuous young heiress fell in love with the scheming Casanova.
ingrate
n. ungrateful person
The ingrate refused to acknowledge the help he had received.
ingratiate
v. to bring oneself purposely into another’s good graces
The new employee tried to ingratiate himself with his boss.
ingress
n. entrance
No means of ingress could be found on the UFO.
inherent
adj. firmly established by nature or habit
The religion teaches the inherent goodness of human nature.
inhibit
v. to prohibit; restrain
The lant’s growth was inhibited by poor soil.
inimical
adj. injurious or harmful; hostile, unfriendly
The policy was criticized as inimical to the country.
inimitable
adj. defying imitation; matchless
No writer has matched the inimitable words of William Shakespeare.
iniquity
n. wickedness, evil act
The preacher urged them all to avoid iniquity.
initiate
v. to begin, introduce; enlist; induct
The question of which country had initiated hostilities didn’t seem to matter much after the war started.
injunction
n. command, order
The teacher’s injunction was clear.
inkling
n. hint; vague idea
We had only an inkling of what the future would bring.
innate
adj. inborn
Most people probably have innate abilities that they don’t fully develop.
innocuous
adj. harmless
Many bacteria are innocuous.
innovation
n. something newly introduced
Gabe likes to keep up with innovations in electronics.
innuendo
n. indirect and subtle criticism, insinuation
The businessman used innuendo to undermine his rival’s reputation.
innumerable
adj. too many to be counted
The editor found innumerable errors in the manuscript.
inopportune
adj. untimely; poorly chosen
The phone call came at an inopportune time.
inquest
n. investigation; court or legal proceeding
The army began an inquest into the soldier’s death.
insatiable
adj. never satisfied
The student’s demand for knowledge is insatiable.
inscribe
v. to write or mark on a surface
The pen has my name inscribed on it.
inscrutable
adj. impossible to understand fully
This poem is difficult to understand because it contains many inscrutable lines.
insensible
adj. unconscious; unresponsive
A hard left hook to his head rendered the prize fighter insensible.
insentient
adj. unfeeling, unconscious
The boxer was insentient after being hit with a hard right hook.
insidious
adj. sly, treacherous, devious; causing harm in a way that is not apparent
The gangster’s insidious plan was to infiltrate the police force.
insinuate
v. to suggest, say indirectly, imply
Are you insinuating that I should improve my vocabulary?
insipid
adj. lacking in flavor; dull
Joe was so tired all he felt like doing was watching insipid shows on television.
insolent
adj. insulting and arrogant
The insolent student was suspended from school.
insoluble
adj. not able to be solved or explained
The mathematician concluded that the problem was insoluble.
insolvent
adj. bankrupt, unable to pay one’s debts
The bank was forced to close when it became insolvent.
insouciant
adj. indifferent; lacking concern or care
The teenager’s insouciant attitude annoys her teacher.
instigate
v. to incite, urge, agitate
The president vowed to bring those who had instigated the rebellion to justice.
instinctual
adj. related to or derived from instinct
Much of human behavior is instinctual.
instrumental
adj. serving as a means or a cause
Instrumental in our success was good planning.
insubstantial
adj. modest, insignificant
Our mean was in substantial.
insular
adj. narrow-minded; isolated
The insular country allows no foreign newspapers to be sold.
insuperable
adj. insurmountable, unconquerable
Despite seemingly insuperable obstacles, our team won the state championship.
insurgent
adj. rebellious, insubordinate
The insurgent forces took over the capital.
insurrection
n. rebellion
The insurrection was led by generals unhappy with the country’s leadership.
intangible
ad. not material
The nurse find the intangible rewards of her job more satisfying that the tangible ones.
integral
adj. central, indispensable
The engine is an integral part of a car.
integrity
n. uprightness; wholeness
The witness testified to the integrity of the accused.
intemperate
adj. not moderate
Try not to be intemperate in eating.
inter
v. to bury
The bodies of the victims of the disaster were interred in a mass grave.
interdict
v. to forbid, prohibit
The interdicted goods were seized by border police.
interject
v. to interpose, insert
The comedian interjected humorous remarks during the speech.
interlocutor
n. someone taking part in a dialogue
My interlocutor looked me directly in the eye.
interloper
n. trespasser; meddler in others’ affairs
Some of the older workers regarded the new boss as an interloper.
interminable
adj. endless
After years of interminable debate, the bill was passed.
intermittent
adj. starting and stopping
The rain is intermittent.
internecine
adj. deadly to both sides
Centuries of internecine wars left both countries weak.
interpolate
v. to inert; change by adding new words or material
The editor interpolated some information to clarify the writer’s reference.
interpose
v. to insert; intervene
The referee interposed himself between the two boxers.
interregnum
n. interval between reigns; gap in continuity
The interregnum between empires lasted 100 years.
interrogate
v. to question formally
The police detective interrogated the suspect.
intersperse
v. to distribute among, mix with
Plain clothes agents were interspersed among uniformed policemen.
intervene
v. to come between
The governor intervened in the dispute between the company and the labor union.
intimacy
n. close acquaintance
Fred is afraid of intimacy.
intimate (v.)
v. make known subtly and indirectly; hint (n. intimation)
The boss intimated that he would not approve my application for unpaid leave.
intimate (adj.)
adj. marked by close acquaintance
They have been intimate for five years.
intimation
n. clue, suggestion
The first intimation we had that a problem existed was when the teacher called us.
intimidate
v. fill with fear; inhibit by threats
The coach told his team not to be intimidated by the opponent’s reputation.
intractable
adj. not easily managed
The intractable student was assigned to a special class.
intramural
adj. within an institution such as a school
Jane plays on the intramural basketball team.
intransigent
adj. uncompromising, refusing to be reconciled
Both sides in the dispute were intransigent.
intrepid
adj. fearless
The intrepid mountain climber refused to be driven back by the snowstorm.
intricate
adj. complex; tangled
The lawyer was familiar with all the intricate details of the case.
intrinsic
adj. inherent, internal
The philosopher believes in the intrinsic worth of all human beings.
introspective
adj. contemplating one’s own thoughts and feelings
Mary becomes introspective when she writes in her diary.
introvert
n. someone given to self-analysis
The introvert was uncomfortable giving a speech.
intrusive
adj. relating to trespass or invasion of another’s privacy
I did not appreciate Tom’s intrusive questions about my involvement with the group.
intuitive
adj. instinctive, untaught
The mathematician solved the problem by an intuitive process.
inundate
v. to cover with water; overwhelm
The rock star was inundated with fan mail after his concert.
inure
v. to harden; accustom; become used to
The peasants have become inured to hardship.
invalidate
v. to negate or nullify; cancel
New evidence has invalided the theory.
invariable
adj. unchanging
The journalist’s invariable practice is not to reveal her sources.
invective
n. verbal abuse
The moderator warned the debaters not to engage in invective.
inveigh
v. to disapprove; protest vehemently
The critic inveighed against the decline in standards in music.
inveigle
v. to win over by flattery or coaxing
Sam managed to inveigle his father into letting him borrow his car.
invert
v. to turn upside down or inside out
The road sign was inverted by a gang of teenagers.
invest
v. to endow with authority
The U.S. Constitution invests great power in the president.
investiture
n. ceremony conferring authority
The student council holds its investiture in October.
inveterate
adj. confirmed, long-standing, deeply rooted
An inveterate USC football fan, Steve never misses their games.
invidious
adj. likely to provoke ill will, offensive
The invidious comments are likely to provoke a reaction.
invincible
adj. invulnerable, unbeatable
The army believes it has assembled an invincible fighting force.
inviolable
adj. safe from violation or assault
At the core of his values was a set of inviolable beliefs.
inviolate
ad. not violated; intact
Certain central principles are inviolate.
in vitro
adv. and adj. outside the living organism in an artificial environment
Over the past thirty years scientists have made great advances in in vitro fertilization.
in vivo
adv. and adj. within a living organism
The researchers are conducting their studies of human metabolism in vivo.
invocation
n. prayer
The invocation was given by a Navy chaplain.
invoke
v. to call upon, request help
In his speech the president invoked the spirit of the country’s Founding Fathers.
iota
n. very tiny amount
There’s not an iota of evidence to support the theory.
irascible
adj. easily angered
Everyone is careful not to criticize Rick since he’s such an irascible character.
irate
adj. extremely angry; enraged
The irate customer demanded an immediate refund.
iridescent
adj. showing many colors
The diamond is iridescent.
ironic
adj. related to an incongruity between what might be expected and what occurs
It is ironic that the bus driver died as a passenger on a bus.
irony
n. hidden sarcasm or satire; use of words conveying a meaning opposite to literal meaning
The writer makes frequent use of irony.
irreconcilable
adj. cannot be accepted or resolved
The differences between the two sides are irreconcilable.
irredeemable
adj. incapable of being remedied or reformed
The high school principal refused to believe that the boy’s behavior was irredeemable.
irrefutable
adj. impossible to disprove
Their argument was irre4futable, so we had little choice but to agree.
irrelevant
adj. not applicable; unrelated
The editor cut irrelevant material from the story.
irreproachable
adj. blameless
One of the reasons he was made a judge is his irreproachable character.
irresolute
adj. unsure of how to act
Seeing that everyone else was irresolute in the crisis, the president’s chief of staff took action in the president’s absence.
irresolvable
adj. unable to be resolved; not analyzable
The scientist concluded that the problem was irresolvable.
irreverent
adj. disrespectful
The cartoonist takes an irreverent approach in portraying public figures.
irrevocable
adj. conclusive, irreversible
The president took the irrevocable step of breaking diplomatic relations with the country.
isotope
n. one of two or more atoms having the same atomic number but different mass numbers
Elements are composed of one or more naturally occurring isotopes.
itinerant
adj. wandering from place to place, unsettled
Itinerant workers picked most of the grapes.
itinerary
n. route of a traveler’s journey
The boss’s secretary confirmed his itinerary.