GRE Words Starting With I
79 words found
iconoclast
nounA person who attacks or criticizes cherished beliefs or institutions
idealistic
adjectiveCharacterized by idealism; unrealistically aiming for perfection
idiosyncrasy
nounA peculiar habit, mannerism, or characteristic that is distinctive to an individual or group
idolatry
nounexcessive or blind devotion to someone or something
illicit
adjectiveForbidden by law, rules, or custom; illegal
illusion
nounA false idea or belief; a deceptive appearance
imminent
adjectiveAbout to happen; impending
immutable
adjectiveUnchanging over time or unable to be changed
impair
verbto weaken or damage, especially in function
impartial
adjectiveTreating all rivals or disputants equally; fair and just
impassive
adjectiveshowing no emotion or expression
impecunious
adjectivehaving little or no money; penniless
impede
verbto obstruct or hinder progress
imperious
adjectiveAssuming power or authority without justification; domineering
imperturbable
adjectiveunable to be upset or agitated; calm
impervious
adjectiveincapable of being affected or penetrated
impetuous
adjectiveActing or done quickly and without thought or care
impetus
nounThe force or energy with which a body moves; a driving force
implacable
adjectiveunable to be appeased or pacified; relentless
implicit
adjectiveSuggested though not directly expressed; understood but not stated
implode
verbto collapse violently inward
inadvertent
adjectiveNot resulting from or achieved through deliberate planning
inarticulate
adjectiveUnable to speak distinctly or express oneself clearly
inchoate
adjectiveJust begun; not fully formed or developed
incipient
adjectiveIn an initial stage; beginning to happen or develop
incoherent
adjectiveExpressed in an incomprehensible or confusing way; unclear
incompetent
adjectiveNot having or showing the necessary skills to do something successfully
inconsequential
adjectiveof little importance; trivial
incorrigible
adjectiveincapable of being corrected or reformed
incredulous
adjectiveUnwilling or unable to believe something
inculpate
verbTo accuse or incriminate someone; to show or suggest that someone is guilty of wrongdoing
indefatigable
adjectivePersisting tirelessly; unable to be fatigued
indelible
adjectiveMaking marks that cannot be removed; unforgettable
indeterminate
adjectiveNot exactly known, established, or defined; vague
indifferent
adjectiveHaving no particular interest or sympathy; mediocre
indigence
nounextreme poverty
indignation
nounAnger or annoyance provoked by what is perceived as unfair treatment
indisputable
adjectiveUnable to be challenged or denied; unquestionable
indolent
adjectiveWanting to avoid activity or exertion; lazy
industrious
adjectiveDiligent and hard-working
ineffable
adjectivetoo great or extreme to be expressed in words
inept
adjectiveHaving or showing no skill; clumsy
inert
adjectivelacking the power to move or act; sluggish or chemically inactive
ingenious
adjectiveClever, original, and inventive
ingenuous
adjectiveInnocent and unsuspecting; candid and sincere
ingratiating
adjectiveIntended to gain approval or favor; sycophantic
inherent
adjectiveExisting in something as a permanent, essential, or characteristic attribute
inimical
adjectiveTending to obstruct or harm; unfriendly; hostile
injudicious
adjectiveShowing very poor judgment; unwise
injurious
adjectiveCausing or likely to cause damage or harm
innate
adjectiveInborn; natural; existing from birth
innocuous
adjectiveHarmless and unlikely to cause offense or injury
innovative
adjectiveFeaturing new methods; advanced and original
insensible
adjectiveunaware, unconscious, or incapable of feeling
insidious
adjectiveProceeding in a gradual, subtle way with harmful effects
insinuate
verbto hint or suggest indirectly, usually something unpleasant
insipid
adjectiveLacking flavor, zest, or interest; dull and unengaging
insolent
adjectiveboldly rude and disrespectful
insufficient
adjectiveNot enough; inadequate
insularity
nounnarrow-mindedness resulting from isolation
insure
verbTo arrange for compensation in case of damage or loss; to make certain
insurgent
adjectiverising in active revolt against authority
intangible
adjectiveUnable to be touched or grasped; not having physical presence
integrated
adjectiveWith various parts or aspects linked or coordinated
intermittent
adjectiveOccurring at irregular intervals; not continuous or steady
intractable
adjectivedifficult to manage, control, or solve
intransigent
adjectiveUnwilling or refusing to change one's views or agree; uncompromising
intrepid
adjectivefearless and resolutely courageous
intrinsic
adjectiveBelonging naturally; essential; inherent
inundate
verbTo overwhelm with things or people to be dealt with
inundation
nounAn overwhelming abundance; a flood
invective
nounInsulting, abusive, or highly critical language
inveterate
adjectivefirmly established by long habit and unlikely to change
invigorate
verbTo give strength or energy to
involved
adjectiveComplicated or difficult to understand; intricate
irascible
adjectiveeasily angered; quick-tempered
irrefutable
adjectiveImpossible to deny or disprove
irresolute
adjectiveunable to decide; hesitant and wavering
itinerant
adjectiveTraveling from place to place
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