decisive

英[dɪ'saɪsɪv] 美[dɪ'saɪsɪv]

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 an 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"