Main Entry: de·ci·sive

Pronunciation: \di-ˈsī-siv\

Function: adjective

Date: 1611

1 : having the power or quality of deciding <a decisive battle>
2 : resolute, determined <a decisive manner>
3 : unmistakable, unquestionable <a decisive superiority>

synonyms see conclusive

— de·ci·sive·ly adverb

— de·ci·sive·ness noun