Meaning & Definition of Decisive in English

1. Determining or having the power to determine an outcome

• "Cast the decisive vote"

• "Two factors had a decisive influence"

2. Unmistakable

• "Had a decisive lead in the polls"

3. Characterized by decision and firmness

• "An able and decisive young woman"

• "We needed decisive leadership"

• "She gave him a decisive answer"

4. Forming or having the nature of a turning point or crisis

• "A critical point in the campaign"

• "The critical test"