adjective de·ci·sive \di-ˈsī-siv\

: able to make choices quickly and confidently

: causing something to end in a particular way : determining what the result of something will be

: very clear and obvious

Full Definition of DECISIVE

:  having the power or quality of deciding <a decisive battle>
:  resolute, determined <a decisive manner>
:  unmistakable, unquestionable <a decisive superiority>
de·ci·sive·ly adverb
de·ci·sive·ness noun

Examples of DECISIVE

  1. You must be decisive and persistent to succeed in this competitive field.
  2. I stood there wondering what to do, but my sister was more decisive and immediately went to the phone.
  3. The fight ended with a decisive blow.
  4. the decisive battle of the war
  5. The poverty of his childhood played a decisive role in his adult life.
  6. The meeting is seen as a decisive step toward a peace treaty.

First Known Use of DECISIVE


Synonym Discussion of DECISIVE

conclusive, decisive, determinative, definitive mean bringing to an end. conclusive applies to reasoning or logical proof that puts an end to debate or questioning <conclusive evidence>. decisive may apply to something that ends a controversy, a contest, or any uncertainty <a decisive battle>. determinative adds an implication of giving a fixed character or direction <the determinative factor in the court's decision>. definitive applies to what is put forth as final and permanent <the definitive biography>.

Rhymes with DECISIVE

DECISIVE Defined for Kids


adjective de·ci·sive \di-ˈsī-siv\

Definition of DECISIVE for Kids

:  causing something to end in a certain way <The lawyer offered decisive proof.>
:  unmistakable, unquestionable <a decisive victory>
:  firmly determined <He began in a decisive manner.>
de·ci·sive·ly adverb


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