having the power or quality of deciding; resolute, determined; unmistakable, unquestionable… See the full definition

DECISIVE definition: 1. able to make decisions quickly and confidently, or showing this quality: 2. strongly affecting…. Learn more.

This showed the potential advantage of having foreign policy in one man's hands: it was a decisive and bold step.

If someone is decisive, they have or show an ability to make quick decisions in a difficult or complicated situation.

able to decide something quickly and with confidence. The government must take decisive action on gun control. Definition of decisive adjective in Oxford Advanced Learner's Dictionary. …

Feb 7, 2025 · Definition & Meaning. The word “decisive” refers to the ability to make decisions quickly and confidently or something that has a clear and final outcome. As a Personality Trait …

decisive - determining or having the power to determine an outcome; "cast the decisive vote"; "two factors had a decisive influence"

If you make decisions quickly, you are someone who is decisive. A decisive event can settle something, like a war.

There are five meanings listed in OED's entry for the word decisive. See ‘Meaning & use’ for definitions, usage, and quotation evidence.

DECISIVE meaning: 1 : able to make choices quickly and confidently; 2 : causing something to end in a particular way determining what the result of something will be