a. | 1. | Having the power or quality of deciding a question or controversy; putting an end to contest or controversy; final; conclusive. |
2. | Marked by promptness and decision. |
Adj. | 1. | decisive - determining or having the power to determine an outcome; "cast the decisive vote"; "two factors had a decisive influence" Antonyms: indecisive - not definitely settling something; "a long and indecisive war" |
2. | decisive - unmistakable; "had a decisive lead in the polls" | |
3. | decisive - characterized by decision and firmness; "an able an decisive young woman"; "we needed decisive leadership"; "she gave him a decisive answer" Antonyms: indecisive - characterized by lack of decision and firmness; "an indecisive manager brought the enterprise to a standstill" | |
4. | decisive - forming or having the nature of a turning point or crisis; "a critical point in the campaign"; "the critical test" Synonyms: critical |