1. characterized by lack of decision and firmness - an indecisive manager brought the enterprise to a standstill • Ant: decisive • Similar to: on the fence, undecided, hesitant, hesitating, suspensive • See Also: irresolute • Derivationally related forms: indecisiveness 2. not definitely settling something - a long and indecisive war • Ant: decisive • See Also: inconclusive, irresolute 3. not clearly defined - indecisive boundaries running through mountains • Similar to: indefinite
