1 an action, event etc that is decisive has a big effect on the way that something develops
decisive factor/effect/influence etc
Women can play a decisive role in the debate over cloning.
decisive action/steps
We will take decisive steps towards political union with Europe.
2 someone who is decisive is good at making decisions quickly and with confidence [≠ indecisive]:
a decisive leader
a talent for quick decisive action
3 definite and clear in a way that leaves no doubt
The answer was a decisive no.
decisively adverb:
Yet again, we have failed to act decisively.
decisiveness noun [uncountable]
military decisiveness
the speed and decisiveness of his victory

Dictionary results for "decisive"
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