Synonyms & Antonyms of definitive

1 being the most accurate and apparently thorough
  • the definitive work on the attack on Pearl Harbor

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3 so clearly expressed as to leave no doubt about the meaning
  • the insurance company's definitive statement on the types of surgical operations that are covered

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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

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Time Traveler for definitive

Time Traveler

The first known use of definitive was in the 14th century

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Cite this Entry

“Definitive.” Thesaurus, Merriam-Webster, Accessed 20 Feb. 2020.

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More from Merriam-Webster on definitive

Dictionary: Definition of definitive

Rhyming Dictionary: Words that rhyme with definitive

Medical Dictionary: Definition of definitive

Spanish Central: Translation of definitive

Nglish: Translation of definitive for Spanish Speakers

Britannica English: Translation of definitive for Arabic Speakers

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