1. Having the power or quality of deciding a question or controversy; putting an end to contest or controversy; final; conclusive. “A decisive, irrevocable doom.” --Bates. “Decisive campaign.” --Macaulay. “Decisive proof.” --Hallam.
2. Marked by promptness and decision.
A noble instance of this attribute of the decisive character. --J. Foster.
Syn: -- Decided; positive; conclusive. See Decided.
-- De*ci*sive*ly, adv. -- De*ci*sive*ness, n.
adj 1: determining or having the power to determine an outcome;
"cast the decisive vote"; "two factors had a decisive
influence" [ant: indecisive]
2: unmistakable; "had a decisive lead in the polls"
3: characterized by decision and firmness; "an able an decisive
young woman"; "we needed decisive leadership"; "she gave
him a decisive answer" [ant: indecisive]
4: forming or having the nature of a turning point or crisis;
"a critical point in the campaign"; "the critical test"