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Synonyms

decisive

American  
[dih-sahy-siv] / dɪˈsaɪ sɪv /

adjective

  1. having the power or quality of deciding; putting an end to controversy; crucial or most important.

    Your argument was the decisive one.

    Synonyms:
    final, conclusive
  2. characterized by or displaying no or little hesitation; resolute; determined.

    The general was known for his decisive manner.

    Synonyms:
    firm
  3. indisputable; definite.

    a decisive defeat.

  4. unsurpassable; commanding.

    a decisive lead in the voting.


decisive British  
/ dɪˈsaɪsɪv /

adjective

  1. influential; conclusive

    a decisive argument

  2. characterized by the ability to make decisions, esp quickly; resolute

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

  • decisively adverb
  • decisiveness noun
  • nondecisive adjective
  • predecisive adjective

Etymology

Origin of decisive

First recorded in 1605–15; from Medieval Latin dēcīsīvus, equivalent to Latin dēcīs(us) ( decision ) + -īvus adjective suffix ( -ive )

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

It has called for faster, more decisive action to support women already waiting and to tackle the underlying capacity challenges driving long delays in Northern Ireland.

From BBC

Areola's blunder handed Forest their decisive penalty in the 89th minute.

From Barron's

“Any actions to the contrary will result in decisive action by Hilton.”

From The Wall Street Journal

Iran's prosecutor general Mohammad Movahedi-Azad last week warned against "externally designed scenarios" to harness the protests, promising a "decisive response".

From Barron's

The Steelers had bumbled into the decisive Week 18 contest by managing the impossible and losing to Shedeur Sanders and Cleveland the week before, extending Baltimore’s life.

From The Wall Street Journal