|1.||[ adjective ] determining or having the power to determine an outcome|
"cast the decisive vote" "two factors had a decisive influence"
|Related terms:||indecisive fateful conclusive crucial peremptory crucial conclusive|
|2.||[ adjective ] unmistakable|
"had a decisive lead in the polls"
|3.||[ adjective ] characterized by decision and firmness|
"an able an decisive young woman" "we needed decisive leadership" "she gave him a decisive answer"
|Related terms:||indecisive unhesitating resolute|
|4.||[ adjective ] forming or having the nature of a turning point or crisis|
"a critical point in the campaign" "the critical test"