• synonyms


See more synonyms for decisive on Thesaurus.com
  1. having the power or quality of deciding; putting an end to controversy; crucial or most important: Your argument was the decisive one.
  2. characterized by or displaying no or little hesitation; resolute; determined: The general was known for his decisive manner.
  3. indisputable; definite: a decisive defeat.
  4. unsurpassable; commanding: a decisive lead in the voting.
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Origin of decisive

1605–15; < Medieval Latin dēcīsīvus, equivalent to Latin dēcīs(us) (see decision) + -īvus -ive
Related formsde·ci·sive·ly, adverbde·ci·sive·ness, nounnon·de·ci·sive, adjectivenon·de·ci·sive·ly, adverbnon·de·ci·sive·ness, nounpre·de·ci·sive, adjectivepre·de·ci·sive·ly, adverb


See more synonyms for decisive on Thesaurus.com
1. conclusive, final. 2. firm.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for decisively

Contemporary Examples

Historical Examples

  • "I cannot take it," answered Allis, decisively, after a pause.


    W. A. Fraser

  • "Well, you shouldn't if you were my sister," he repeated, decisively.

  • "Never mind what you came for," Miss Georgie cut in decisively, and laughed.

    Good Indian

    B. M. Bower

  • “Something has happened to Weedon,” his wife said decisively.

    White Fang

    Jack London

  • "Thank you, Doctor," the President Elect said at last, decisively.

    The Adventurer

    Cyril M. Kornbluth

British Dictionary definitions for decisively


  1. influential; conclusivea decisive argument
  2. characterized by the ability to make decisions, esp quickly; resolute
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Derived Formsdecisively, adverbdecisiveness, noun
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

Word Origin and History for decisively



1610s, from Medieval Latin decisivus, from Latin decis-, past participle stem of decidere (see decide). Related: Decisively; decisiveness.

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Online Etymology Dictionary, © 2010 Douglas Harper