GRE WORDS

incisive = keen, penetrating
incognito = disguised
incommunicado = unable to communicate with others
incontrovertible = Indisputable
inculcate = instill, indoctrinate, to teach
incumbent = obligatory, required
incursion = raid
indict = charge with a crime
indigenous = Native
indigent = very poor
indolent = lazy
indomitable = invincible, fearless
indubitable = unquestionable
inexorable = relentless, inflexible