Definition of decisive
- The council president cast the decisive vote.
- a decisive battle
You must be decisive and persistent to succeed in this competitive field.
I stood there wondering what to do, but my sister was more decisive and immediately went to the phone.
The fight ended with a decisive blow.
the decisive battle of the war
The poverty of his childhood played a decisive role in his adult life.
The meeting is seen as a decisive step toward a peace treaty.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'decisive.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
: 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
What made you want to look up decisive? Please tell us where you read or heard it (including the quote, if possible).
Merriam-Webster's New Words Quiz—Fall 2017 Edition!
Can you spell these 10 commonly misspelled words?TAKE THE QUIZ
Test Your Knowledge - and learn some interesting things along the way.TAKE THE QUIZ