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PSAT I Word List
Word list for 2009-2010
| Question | Answer |
|---|---|
| iconoclast | one who attacks traditional beliefs |
| idealism | pursuit of noble goals |
| idiosyncrasy | peculiarity of temperament, eccentricity |
| ignominious | disgraceful and dishonorable |
| illicit | illegal, improper |
| illusory | unreal, deceptive |
| illustrious | famous, renowned |
| immaculate | spotless; free from error |
| immerse | to bathe, dip; to engross, preoccupy |
| immune | exempt; protected from harm or disease; unresponsive to |
| immutable | unchangeable, invariable |
| impair | to damage, injure |
| impasse | blocked path, dilemma with no solution |
| impassive | showing no emotion |
| impeach | to charge with misdeeds in public office; accuse |
| impeccable | flawless, without fault |
| impecunious | poor, having no money |
| impediment | barrier, obstacle; speech disorder |
| imperious | arrogantly self-assured, domineering, overbearing |
| impertinent | rude |
| impervious | impossible to penetrate; incapable of being affected |
| impetuous | quick to act without thinking |
| implacable | inflexible, incapable of being pleased |
| implicate | to involve in a crime, incriminate |
| implicit | implied, not directly expressed |
| importune | to ask repeatedly, beg |
| impotent | powerless, ineffective, lacking strength |
| impoverish | to make poor or bankrupt |
| imprecation | curse |
| impregnable | totally safe from attack, able to resist defeat |
| impudent | arrogant, audacious |
| impugn | to call into question, attack verbally |
| inane | foolish, silly, lacking significance |
| inaugurate | to begin or start officially; to induct into office |
| incandescent | shining brightly |
| incarcerate | to put in jail; to confine |
| incendiary | combustible, flammable, burning easily |
| incense (v) | to infuriate, enrage |
| inception | beginning |
| incessant | continuous, never ceasing |
| inchoate | imperfectly formed or formulated |
| incipient | beginning to exist or appear; in an initial stage |
| incisive | perceptive, penetrating |
| incognito | in disguise, concealing one's identity |
| incontrovertible | unquestionable, beyond dispute |
| incorrigible | incapable of being corrected |
| incredulous | skeptical, doubtful |
| inculcate | to teach, impress in the mind |
| indefatigable | never tired |
| indelible | permanent, not erasable |
| indigenous | native, occurring naturally in an area |
| indigent | very poor |
| indignant | angry, incensed, offended |
| indolent | habitually lazy, idle |
| indomitable | fearless, unconquerable |
| indubitable | unquestionable |
| induce | to persuade; bring about |
| inept | clumsy, awkward |
| inert | unable to move, tending to inactivity |
| inevitable | certain, unavoidable |
| inexorable | inflexible, unyielding |
| infamy | reputation for bad deeds |
| infer | to conclude, deduce |
| infinitesimal | extremely tiny |
| infirmity | disease, ailment |
| ingenious | original, clever, inventive |
| ingrate | ungrateful person |
| ingratiate | to bring oneself purposely into another's good graces |
| inhibit | to hold back, prevent, restrain |
| inimical | hostile, unfriendly |
| injunction | command, order |
| innate | natural, inborn |
| innocuous | harmless; inoffensive |
| innovate | to invent, modernize, revolutionize |
| innuendo | indirect and subtle criticism, insinuation |
| insatiable | never satisfied |
| inscrutable | impossible to understand fully |
| insidious | sly, treacherous, devious |
| insinuate | to suggest, say indirectly, imply |
| insipid | bland, lacking flavor; lacking excitement |
| insolent | insulting and arrogant |
| instigate | to incite, urge, agitate |
| insular | isolated, detached |
| insurgent (adj) | rebellious, insubordinate |
| insurrection | rebellion |
| integral | central, indispensable |
| integrity | decency, honesty; wholeness |
| intemperate | not moderate |
| inter | to bury |
| interloper | trespasser; meddler in others' affairs |
| intermittent | starting and stopping |
| interrogate | to question formally |
| intimation | clue, suggestion |
| intractable | not easily managed |
| intransigent | uncompromising, refusing to be reconciled |
| intrepid | fearless |
| intrinsic | inherent, internal |
| introspective | contemplating one's own thoughts and feelings |
| introvert | someone given to self-analysis |
| inundate | to cover with water; overwhelm |
| inure | to harden; accustom; become used to |
| invective | verbal abuse |
| inveterate | confirmed, long-standing, deeply rooted |
| invidious | envious; obnoxious |
| invincible | invulnerable, unbeatable |
| iota | very tiny amount |
| irascible | easily angered |
| iridescent | showing many colors |
| itinerant | wandering from place to place, unsettled |
| itinerary | route of a traveler's journey |