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Synonyms

conclusive

American  
[kuhn-kloo-siv] / kənˈklu sɪv /

adjective

  1. serving to settle or decide a question; decisive; convincing.

    conclusive evidence.
    Synonyms:
    definitive

  2. tending to terminate; closing.

conclusive British  
/ kənˈkluːsɪv /

adjective

  1. putting an end to doubt; decisive; final

  2. approaching or involving an end or conclusion

"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

  • conclusively adverb
  • conclusiveness noun
  • nonconclusive adjective
  • nonconclusively adverb
  • nonconclusiveness noun

Etymology

Origin of conclusive

1580–90; < Late Latin conclūsīvus, equivalent to Latin conclūs ( us ) (past participle of conclūdere to conclude; conclusion ) + -īvus -ive

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.