ACT - SAT Vocab Words - I, J, K Flashcards

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1
Q

iconoclast

A

(n.) one who attacks common beliefs or institutions (Jane goes to one protest after another, but she seems to be an iconoclastrather than an activist with a progressive agenda.)

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2
Q

idiosyncratic

A

(adj.) peculiar to one person; highly individualized (I know you had trouble with the last test, but because your mistakes were highly idiosyncratic, I’m going to deny your request that the class be given a new test.)

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3
Q

idolatrous

A

(adj.) excessively worshipping one object or person (Xena’s idolatrous fawning over the band—following them on tour, starting their fan club, filming their documentary—is really beginning to get on my nerves.)

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4
Q

ignominious

A

(adj.) humiliating, disgracing (It was really ignominiousto be kicked out of the dorm for having an illegal gas stove in my room.)

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5
Q

illicit

A

(adj.) forbidden, not permitted (The fourth-grader learned many illicitwords from a pamphlet that was being passed around school.)

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6
Q

immerse

A

(v.) to absorb, deeply involve, engross (After breaking up with her boyfriend,Nancy decided to immerseherself in her work in order to avoid crying.)

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7
Q

immutable

A

(adj.) not changeable (The laws of physics are immutableand constant.)

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8
Q

impassive

A

(adj.) stoic, not susceptible to suffering (Stop being so impassive; it’s healthy to cry every now and then.)

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9
Q

impeccable

A

(adj.) exemplary, flawless (If your grades were as impeccableas your sister’s, then you too would receive a car for a graduation present.)

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10
Q

impecunious

A

(adj.) poor (“I fear he’s too impecuniousto take me out tonight,” the bratty girl whined.)

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11
Q

imperative

A

(adj.) necessary, pressing (It is imperativethat you have these folders organized by midday.) 2. (n.) a rule, command, or order (Her imperativeto have the folders organized by midday was perceived as ridiculous by the others.)

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12
Q

imperious

A

(adj.) commanding, domineering (The imperiousnature of your manner led me to dislike you at once.)

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13
Q

impertinent

A

(adj.) rude, insolent (Most of your comments are so impertinentthat I don’t wish to dignify them with an answer.)

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14
Q

impervious

A

(adj.) impenetrable, incapable of being affected (Because of their thick layer of fur, many seals are almost imperviousto the cold.)

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15
Q

impetuous

A

(adj.) rash; hastily done (Hilda’s hasty slaying of the king was an impetuous, thoughtless action.)

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16
Q

impinge

A

(v.) to impact, affect, make an impression (The hail impingedthe roof, leaving large dents.) 2. (v.) to encroach, infringe (I apologize for impingingupon you like this, but I really need to use your bathroom. Now.)

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17
Q

implacable

A

(adj.) incapable of being appeased or mitigated (Watch out: once you shun Grandma’s cooking, she is totally implacable.)

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18
Q

implement

A

(n.) an instrument, utensil, tool (Do you have a knife or some other sort of implementthat I could use to pry the lid off of this jar?) 2. (v.) to put into effect, to institute (After the first town curfew failed to stop the graffiti problem, the mayor implementeda new policy to use security cameras to catch perpetrators in the act.)

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19
Q

implicate

A

(v.) to involve in an incriminating way, incriminate (Even though Tom wasn’t present at the time of the shooting, he was implicatedby the evidence suggesting that he had supplied the shooters with guns.)

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20
Q

implicit

A

(adj.) understood but not outwardly obvious, implied (I know Professor Smith didn’t actually say not to write from personal experience, but I think such a message was implicitin her instruction to use scholarly sources.)

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21
Q

impregnable

A

(adj.) resistant to capture or penetration (Though the invaders used battering rams, catapults, and rain dances, the fortress proved impregnableand resisted all attacks.)

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22
Q

impudent

A

(adj.) casually rude, insolent, impertinent (The impudentyoung man looked the princess up and down and told her she was hot even though she hadn’t asked him.)

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23
Q

impute

A

(v.) to ascribe, blame (The CEO imputedthe many typos in the letter to his lazy secretary.)

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24
Q

inane

A

(adj.) silly and meaningless (Some films are so inanethat the psychology of the characters makes absolutely no sense.)

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25
Q

inarticulate

A

(adj.) incapable of expressing oneself clearly through speech (Though he spoke for over an hour, the lecturer was completely inarticulateand the students had no idea what he was talking about.)

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26
Q

incarnate

A

(adj.) existing in the flesh, embodied (In the church pageant, I play the role of greed incarnate.) 2. (v.) to give human form to (The alien evaded detection by incarnatinghimself in a human form.)

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27
Q

incendiary

A

(n.) a person who agitates (If we catch the incendiarywho screamed “bomb” in the middle of the soccer match, we’re going to put him in jail.) 2. (adj.) inflammatory, causing combustion (Gas and lighter fluid are incendiarymaterials that should be kept out of hot storage areas.)

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28
Q

incessant

A

(adj.) unending (We wanted to go outside and play, but the incessantrain kept us indoors for two days.)

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29
Q

inchoate

A

(adj.) unformed or formless, in a beginning stage (The country’s government is still inchoateand, because it has no great tradition, quite unstable.)

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30
Q

incisive

A

(adj.) clear, sharp, direct (The discussion wasn’t going anywhere until her incisivecomment allowed everyone to see what the true issues were.)

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31
Q

inclination

A

(n.) a tendency, propensity (Sarah has an inclinationto see every foreign film she hears about, even when she’s sure that she won’t like it.)

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32
Q

incontrovertible

A

(adj.) indisputable (Only stubborn Tina would attempt to disprove the incontrovertiblelaws of physics.)

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33
Q

incorrigible

A

(adj.) incapable of correction, delinquent (You can buy Grandma nicotine gum all you want, but I think that after sixty-five years of smoking she’s incorrigible.)

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34
Q

increment

A

(n.) an enlargement; the process of increasing(The workmen made the wall longer, incrementby increment.)

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35
Q

incumbent

A

(n.) one who holds an office (The incumbentsenator is already serving his fifth term.) 2. (adj.) obligatory (It is incumbentupon this organization to offer aid to all who seek it.)

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36
Q

indefatigable

A

(adj.) incapable of defeat, failure, decay (Even after traveling 62 miles, the indefatigablerunner kept on moving.)

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37
Q

indigenous

A

(adj.) originating in a region (Some fear that these plants, which are not indigenousto the region, may choke out the vegetation that is native to the area.)

38
Q

indigent

A

(adj.) very poor, impoverished (I would rather donate money to help the indigentpopulation than to the park sculpture fund.)

39
Q

indignation

A

(n.) anger sparked by something unjust or unfair (I resigned from the sorority because of my indignationat its hazing of new members.)

40
Q

indolent

A

(adj.) lazy (Why should my indolentchildren, who can’t even pick themselves up off the couch to pour their own juice, be rewarded with a trip to the mall?)

41
Q

indomitable

A

(adj.) not capable of being conquered (To be honest, Jim, my indomitable nature means I could never take orders from anyone, and especially not from a jerk like you.)

42
Q

induce

A

(v.) to bring about, stimulate (Who knew that our decision to boycott school lunch would inducea huge riot?)

43
Q

ineffable

A

(adj.) unspeakable, incapable of being expressed through words (It is said that the experience of playing with a dolphin is ineffableand can only be understood through direct encounter.)

44
Q

inept

A

(adj.) not suitable or capable, unqualified (She proved how ineptshe was when she forgot three orders and spilled a beer in a customer’s lap.)

45
Q

inexorable

A

(adj.) incapable of being persuaded or placated (Although I begged for hours, Mom was inexorableand refused to let me stay out all night after the prom.)

46
Q

inextricable

A

(adj.) hopelessly tangled or entangled (Unless I look at the solution manual, I have no way of solving this inextricableproblem.)

47
Q

infamy

A

(n.) notoriety, extreme ill repute (The infamyof his crime will not lessen as the decades pass.)

48
Q

infusion

A

(n.) an injection of one substance into another; the permeation of one substance by another (The infusionof Eastern religion into Western philosophy created interesting new schools of thought.)

49
Q

ingenious

A

(adj.) clever, resourceful (Her ingenioususe of walnuts instead of the peanuts called for by the recipe was lauded by the other garden club members who found her cake delicious.)

50
Q

ingenuous

A

(adj.) not devious; innocent and candid (He must have writers, but his speeches seem so ingenuousit’s hard to believe he’s not speaking from his own heart.)

51
Q

inhibit

A

(v.) to prevent, restrain, stop (When I told you I needed the car last night, I certainly never meant to inhibityou from going out.)

52
Q

inimical

A

(adj.) hostile, enemylike (I don’t see how I could ever work for a company that was so cold and inimicalto me during my interviews.)

53
Q

iniquity

A

(n.) wickedness or sin (“Your iniquity,” said the priest to the practical jokester, “will be forgiven.”)

54
Q

injunction

A

(n.) an order of official warning (After his house was toilet-papered for the fifth time, the mayor issued an injunctionagainst anyone younger than 21 buying toilet paper.)

55
Q

innate

A

(adj.) inborn, native, inherent (His incredible athletic talent is innate, he never trains, lifts weights, or practices.)

56
Q

innocuous

A

(adj.) harmless, inoffensive (In spite of their innocuousappearance, these mushrooms are actually quite poisonous.)

57
Q

innovate

A

(v.) to do something in an unprecedented way (Because of the stiff competition, the company knew it needed to pour a lot of energy into innovating new and better products.)

58
Q

innuendo

A

(n.) an insinuation (During the debate, the politician made several innuendos about the sexual activities of his opponent.)

59
Q

inoculate

A

(v.) to introduce a microorganism, serum, or vaccine into an organism in order to increase immunity to illness; to vaccinate (I’ve feared needles ever since I was inoculatedagainst 37 diseases at age one; but I have also never been sick.)

60
Q

inquisitor

A

(n.) one who inquires, especially in a hostile manner (The inquisitorwas instructed to knock on every door in town in order to find the fugitive.)

61
Q

insatiable

A

(adj.) incapable of being satisfied (My insatiableappetite for melons can be a real problem in the winter.)

62
Q

insidious

A

(adj.) appealing but imperceptibly harmful, seductive (Lisa’s insidious chocolate cake tastes so good but makes you feel so sick later on!)

63
Q

insinuate

A

(v.) to suggest indirectly or subtly (I wish Luke and Spencer would stop insinuatingthat my perfect report card is the result of anything other than my superior intelligence and good work habits.)

64
Q

insipid

A

(adj.) dull, boring (The play was so insipid, I fell asleep halfway through.)

65
Q

insolent

A

(adj.) rude, arrogant, overbearing (That celebrity is so insolent, making fun of his fans right to their faces.)

66
Q

instigate

A

(v.) to urge, goad (The demagogue instigatedthe crowd into a fury by telling them that they had been cheated by the federal government.)

67
Q

insular

A

(adj.) separated and narrow-minded; tight-knit, closed off (Because of the sensitive nature of their jobs, those who work for the CIA must remain insularand generally only spend time with each other.)

68
Q

insurgent

A

(n.) one who rebels (The insurgentsnuck into and defaced a different classroom each night until the administration agreed to meet his demands.)

69
Q

integral

A

(adj.) necessary for completeness (Without the integralingredient of flour, you wouldn’t be able to make bread.)

70
Q

interject

A

(v.) to insert between other things (During our conversation, the cab driver occasionally interjectedhis opinion.)

71
Q

interlocutor

A

(n.) someone who participates in a dialogue or conversation (When the officials could not come to an agreement over the correct cover of the flags, the prime minister acted as an interlocutor.)

72
Q

interminable

A

(adj.) without possibility of end (The fact that biology lectures came just before lunch made them seem interminable.)

73
Q

intimation

A

(n.) an indirect suggestion (Mr. Brinford’s intimationthat he would soon pass away occurred when he began to discuss how to distribute his belongings among his children.)

74
Q

intractable

A

(adj.) difficult to manipulate, unmanageable (There was no end in sight to the intractableconflict between the warring countries.)

75
Q

intransigent

A

(adj.) refusing to compromise, often on an extreme opinion (The intransigentchild said he would have 12 scoops of ice cream, or he would bang his head against the wall until his mother fainted from fear.)

76
Q

intrepid

A

(adj.) brave in the face of danger (After scaling a live volcano prior to its eruption, the explorer was praised for his intrepidattitude.)

77
Q

inundate

A

(v.) to flood with abundance (Because I am the star of a new sitcom, my fans are sure to inundateme with fan mail and praise.)

78
Q

inure

A

(v.) to cause someone or something to become accustomed to a situation (Twenty years in the salt mines inuredthe man to the discomforts of dirt and grime.)

79
Q

invective

A

(n.) an angry verbal attack (My mother’s irrational invectiveagainst the way I dress only made me decide to dye my hair green.)

80
Q

inveterate

A

(adj.) stubbornly established by habit (I’m the first to admit that I’m an inveteratecoffee drinker—I drink four cups a day.)

81
Q

inviolable

A

(adj.) secure from assault (Nobody was ever able to break into Batman’s inviolableBatcave.)

82
Q

irascible

A

(adj.) easily angered (At the smallest provocation, my irasciblecat will begin scratching and clawing.)

83
Q

iridescent

A

(adj.) showing rainbow colors (The bride’s large diamond ring was iridescentin the afternoon sun.)

84
Q

irreverence

A

(n.) disrespect (The irreverencedisplayed by the band that marched through the chapel disturbed many churchgoers.)

85
Q

irrevocable

A

(adj.) incapable of being taken back (The Bill of Rights is an irrevocable part of American law.)

86
Q

jubilant

A

(adj.) extremely joyful, happy (The crowd was jubilantwhen the firefighter carried the woman from the flaming building.)

87
Q

judicious

A

(adj.) having or exercising sound judgment (When the judiciousking decided to compromise rather than send his army to its certain death, he was applauded.)

88
Q

juxtaposition

A

(n.) the act of placing two things next to each other for implicit comparison (The interior designer admired my juxtapositionof the yellow couch and green table.)

89
Q

knell

A

(n.) the solemn sound of a bell, often indicating a death (Echoing throughout our village, the funeral knellmade the stormy day even more grim.)

90
Q

kudos

A

(n.) praise for an achievement (After the performance, the reviewers gave the opera singer kudosfor a job well done.)