/ Dictionary / Index I indecisive: Meaning and Definition of Find definitions for: in•de•ci•sive Pronunciation: (in"di-sī'siv), [key] — adj. characterized by indecision, as persons; irresolute; undecided. not decisive or conclusive: a severe but indecisive battle. lacking definition; vague or indistinct: the indecisive outline of the distant hills. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: indecisive (Thesaurus) indecision indecl. Related Content Daily Word Quiz: acquiesce Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language