decisive

Meanings

1. 1
   adj

   determining or having the power to determine an outcome

   cast the decisive vote

2. 2
   adj

   characterized by decision and firmness

   an able and decisive young woman

3. 3
   adj

   unmistakable

   had a decisive lead in the polls

4. 4
   adj

   Having the power or quality of deciding a question or controversy; putting an end to contest or controversy; final; conclusive.

   decisive vote

5. 5
   adj

   Decided; definite; incontrovertible.

   decisive victory

6. 6
   adj

   Marked by promptness and decision, resolute; without hesitation.

   decisive action

7. 7
   adj

   forming or having the nature of a turning point or crisis

Etymology

From Middle French décisif, equivalent to decide + -ive.