ACT - SAT Vocab Words - I, J, K Flashcards
iconoclast
(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.)
idiosyncratic
(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.)
idolatrous
(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.)
ignominious
(adj.) humiliating, disgracing (It was really ignominiousto be kicked out of the dorm for having an illegal gas stove in my room.)
illicit
(adj.) forbidden, not permitted (The fourth-grader learned many illicitwords from a pamphlet that was being passed around school.)
immerse
(v.) to absorb, deeply involve, engross (After breaking up with her boyfriend,Nancy decided to immerseherself in her work in order to avoid crying.)
immutable
(adj.) not changeable (The laws of physics are immutableand constant.)
impassive
(adj.) stoic, not susceptible to suffering (Stop being so impassive; it’s healthy to cry every now and then.)
impeccable
(adj.) exemplary, flawless (If your grades were as impeccableas your sister’s, then you too would receive a car for a graduation present.)
impecunious
(adj.) poor (“I fear he’s too impecuniousto take me out tonight,” the bratty girl whined.)
imperative
(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.)
imperious
(adj.) commanding, domineering (The imperiousnature of your manner led me to dislike you at once.)
impertinent
(adj.) rude, insolent (Most of your comments are so impertinentthat I don’t wish to dignify them with an answer.)
impervious
(adj.) impenetrable, incapable of being affected (Because of their thick layer of fur, many seals are almost imperviousto the cold.)
impetuous
(adj.) rash; hastily done (Hilda’s hasty slaying of the king was an impetuous, thoughtless action.)
impinge
(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.)
implacable
(adj.) incapable of being appeased or mitigated (Watch out: once you shun Grandma’s cooking, she is totally implacable.)
implement
(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.)
implicate
(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.)
implicit
(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.)
impregnable
(adj.) resistant to capture or penetration (Though the invaders used battering rams, catapults, and rain dances, the fortress proved impregnableand resisted all attacks.)
impudent
(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.)
impute
(v.) to ascribe, blame (The CEO imputedthe many typos in the letter to his lazy secretary.)
inane
(adj.) silly and meaningless (Some films are so inanethat the psychology of the characters makes absolutely no sense.)
inarticulate
(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.)
incarnate
(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.)
incendiary
(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.)
incessant
(adj.) unending (We wanted to go outside and play, but the incessantrain kept us indoors for two days.)
inchoate
(adj.) unformed or formless, in a beginning stage (The country’s government is still inchoateand, because it has no great tradition, quite unstable.)
incisive
(adj.) clear, sharp, direct (The discussion wasn’t going anywhere until her incisivecomment allowed everyone to see what the true issues were.)
inclination
(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.)
incontrovertible
(adj.) indisputable (Only stubborn Tina would attempt to disprove the incontrovertiblelaws of physics.)
incorrigible
(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.)
increment
(n.) an enlargement; the process of increasing(The workmen made the wall longer, incrementby increment.)
incumbent
(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.)
indefatigable
(adj.) incapable of defeat, failure, decay (Even after traveling 62 miles, the indefatigablerunner kept on moving.)