INDISCRIMINATE—promiscuous, chance, indistinct, confused. (Select, chosen.)
INDISPENSABLE—essential, necessary, requisite, expedient. (Unnecessary, supernumerary.)
INDISPUTABLE—undeniable, undoubted, incontestable, indubitable, unquestionable, infallible.
INDORSE—ratify, confirm, superscribe.
INDULGE—foster, cherish, fondle. (Deny.)
INEFFECTUAL—vain, useless, unavailing, fruitless, abortive, inoperative. (Effective.)
INEQUALITY—disparity, disproportion, dissimilarity, unevenness. (Equality.)
INEVITABLE—unavoidable, not to be avoided.
INFAMOUS—scandalous, shameful, ignominious, opprobrious, disgraceful. (Honorable.)