以下是近几年gre考试真题中经常出现和常考的形容词词汇，不单是gre考试，很多英语考试中经常考察形容词的英译英。接下来的几天，小编会按照字母开头的顺序整理一些gre考试真题常见形容词词汇，供大家复习用。

　　iconoclastic :: attacking cherished traditions

　　igneous :: produced by fire; volcanic

　　ignoble :: of lowly origin; unworthy

　　ignominious :: disgracul

　　illimitable :: infinite

　　immaculate :: pure; spotless

　　imminent :: impending; near at hand

　　immune :: exempt

　　immutable :: unchangeable

　　impassive :: without feeling; not affected by pain

　　impeccable :: faultless

　　impecunious :: without money

　　impending :: nearing; approaching

　　impenitent :: not repentant

　　imperious :: domineering

　　impermeable :: impervious; not permitting passage through its substance

　　impertinent :: insolent

　　impervious :: not penetrable; not permitting passage through

　　impetuous :: violent; hasty; rash

　　impious :: irreverent

　　implacable :: incapable of being pacified

　　implicit :: understood but not stated

　　impolitic :: not wise

　　impregnable :: invulnerable

　　impromptu :: without previous preparation

　　improvident :: thriftless

　　inalienable :: not to be taken away; nontransferable

　　inane :: silly; senseless

　　inanimate :: lifeless

　　inarticulate :: speechless; producing indistinct speech

　　incarnate :: endowed with flesh; personified

　　incessant :: uninterrupted

　　inchoate :: recently begun; rudimentary; elementary

　　incipient :: beginning; in an early stage

　　incisive :: cutting; sharp

　　inclement :: stormy; unkind

　　inclusive :: tending to include all

　　incognito :: with identity concealed; using an assumed name

　　incommodious :: not spacious

　　incompatible :: inharmonious

　　inconsequential :: of trifling significance

　　incontrovertible :: indisputable

　　incorporeal :: immaterial; without a material body

　　incorrigible :: uncorrectable

　　indatigable :: tireless

　　indigenous :: native

　　indigent :: poor

　　indisputable :: too certain to be disputed

　　indomitable :: unconquerable

　　indubitably :: beyond a doubt

　　indulgent :: humoring; yielding; lenient

　　infable :: unutterable; cannot be expressed in speech

　　inept :: unsuited; absurd; incompetent

　　inexorable :: relentless; unyielding; implacable

　　infallible :: unerring

　　infamous :: notoriously bad

　　infinitesimal :: very small

　　inflated :: enlarged with air or gas

　　ingenuous :: naive; young; unsophisticated

　　inherent :: firmly established by nature or habit

　　inimical :: unfriendly; hostile

　　iniquitous :: unjust; wicked

　　innate :: inborn

　　innocuous :: harmless

　　inordinate :: unrestrained; excessive

　　insatiable :: not easily satisfied; greedy

　　inscrutable :: incomprehensible; not to be discovered

　　insensate :: without feeling

　　insidious :: treacherous; stealthy; sly

　　insipid :: tasteless; dull

　　insolent :: haughty and contemptuous

　　insular :: like an island; narrow-minded

　　insuperable :: insurmountable; invincible

　　insurgent :: rebellious

　　interminable :: endless

　　intermittent :: periodic; on and off

　　intransigent :: rusing any compromise

　　intrepid :: fearless

　　intrinsic :: belonging to a thing in itself; inherent

　　introvert :: inclined to think more about oneself

　　inured :: accustomed; hardened

　　inverse :: opposite

　　inveterate :: deep-rooted; habitual

　　invidious :: designed to create ill will or envy

　　invulnerable :: incapable of injury

　　irascible :: irritable; easily angered

　　iridescent :: exhibiting rainbowlike colors

　　ironical :: resulting in an unexpected and contrary manner

　　irreconcilable :: incompatible; not able to be resolved

　　irrelevant :: not applicable; unrelated

　　irremediable :: incurable; uncorrectable

　　irreparable :: not able to be corrected or repaired

　　irreverent :: lacking proper respect

　　irrevocable :: unalterable

　　itinerant :: wandering; traveling

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