GRE Vocab Is
iconoclast
ideological
idiosyncrasy
idyllic
ignominy
illiberal
illusory
imbroglio
imminent
immure
immutable
impassive
impeccable
impecunious
impeded
impenetrable
imperative
imperious
imperturbable
impetuous
impetus
impinge
implacable
implication
implicit
imploring
importune
impregnable
imprimatur
impromptu
impudence
impugn
inalienable
inane
incandescent
incensed
inchoate
incipient
incisive
incoherent
incorporate
incorrigible
inculcate
incumbent
indefatigable
indictment
indigenous
indignant
indomitable
industrious
ineffable
ineluctable
inestimable
inexorable
infinitesimal
influx
ingenious
ingenuous
ingrained
ingratiate
inimical
inimitable
innate
innocuous
inordinate
inscrutable
insinuate
insipid
insolence
insular
integrate
interloper
intimate
intrepid
intrinsic
intrusive
inundated
inveigh
inveigle
invidious
inviolate
irascible
irk
ironic