1
as in authoritative
being the most accurate and apparently thorough the definitive work on the attack on Pearl Harbor

Synonyms & Similar Words

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Synonym Chooser

How is the word definitive different from other adjectives like it?

Some common synonyms of definitive are conclusive, decisive, and determinative. While all these words mean "bringing to an end," definitive applies to what is put forth as final and permanent.

the definitive biography

When is it sensible to use conclusive instead of definitive?

In some situations, the words conclusive and definitive are roughly equivalent. However, conclusive applies to reasoning or logical proof that puts an end to debate or questioning.

conclusive evidence

When is decisive a more appropriate choice than definitive?

The synonyms decisive and definitive are sometimes interchangeable, but decisive may apply to something that ends a controversy, a contest, or any uncertainty.

a decisive battle

When can determinative be used instead of definitive?

The meanings of determinative and definitive largely overlap; however, determinative adds an implication of giving a fixed character or direction.

the determinative factor in the court's decision

Examples Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Recent Examples of definitive Human beings are not mathematical problems with definitive solutions. Charles McNulty, Los Angeles Times, 4 Dec. 2024 Everyone else Miss Manners hears from considers this a logistical nightmare; that is why etiquette asks that prompt and definitive answers be given. Judith Martin, The Mercury News, 2 Dec. 2024 No scientific investigation, the series is unlikely to deliver a definitive answer as to the Syndrome’s cause. John Hopewell, Variety, 2 Dec. 2024 This is easily the definitive version of Megazone 23 available and one that comes at a more reasonable price. Ollie Barder, Forbes, 22 Nov. 2024 See all Example Sentences for definitive 
Recent Examples of Synonyms for definitive
Adjective
  • Your 1987 portrayal of Titus Andronicus for the Royal Shakespeare Company was a sensation and has been called the authoritative interpretation of the role.
    Andrew Goldman, The Hollywood Reporter, 16 Dec. 2024
  • Huang’s note is a vindication by an authoritative third party of CEO Pedro Martinez’s refusal to take out a short-term, high-interest loan that the mayor, a close union ally, proposed in July.
    Sarah Macaraeg, Chicago Tribune, 14 Dec. 2024
Adjective
  • The Atomic Energy Commission's investigation was not conclusive.
    Aaron Katersky, ABC News, 5 Dec. 2024
  • No data is conclusive as to what form of garlic might be best for colds.
    Nancy LeBrun, Verywell Health, 2 Dec. 2024
Adjective
  • The resultant climax is actually real here — there’s no condensed milk substitute in sight — but Mitchell’s explicit moment of self-love isn’t just included for shock value.
    David Opie, IndieWire, 7 Dec. 2024
  • Firms should establish explicit guidelines for when and how to employ AI tools as AI integrates more into corporate activities.
    Douglas B. Laney, Forbes, 6 Dec. 2024
Adjective
  • The two drive through a classic American landscape with Roan's parents in the backseat.
    Anna Kaufman, USA TODAY, 17 Dec. 2024
  • Looks The Crown’s design feels caught between two worlds - not bold enough to be futuristic, not classic enough to be timeless.
    Josh Max, Forbes, 16 Dec. 2024
Adjective
  • This compares with other forecasts for about 4%, in a decisive break with a longtime practice of capping it at 3% in the past.
    Eleanor Pringle, Fortune Asia, 13 Dec. 2024
  • While such estimates are not definitive, the campaign doubtlessly inflicted a significant, if not decisive, blow against Hezbollah’s strategic arsenal.
    Paul Iddon, Forbes, 13 Dec. 2024
Adjective
  • The district recently outlined definite cuts and future potential cuts on its website.
    Madeline Mitchell, The Enquirer, 12 Dec. 2024
  • While Elba and Reeves were clearly being light-hearted in their response, there's definite demand for more live-action Sonic, whether in film or series form.
    Gordon G. Chang, Newsweek, 11 Dec. 2024
Adjective
  • Bryan Mbeumo has been a key player under Frank (Mike Hewitt/Getty Images) That defeat was part of a run of away results which is as dismal as Brentford’s home form has been exemplary.
    Oliver Kay, The Athletic, 13 Dec. 2024
  • The technology may be exemplary, but even science cannot perform miracles.
    RM Clark, WIRED, 6 Dec. 2024
Adjective
  • Assad was swept from power by a lightning-quick rebel offensive after a 13-year civil war and six decades of his family’s autocratic rule, and the opulent trappings of a regime that inflicted terror and poverty on Syria's people are now clear for all to see.
    Richard Engel, NBC News, 12 Dec. 2024
  • Even after the Guardians’ second deal with the Pittsburgh Pirates, the motivation to purge Giménez’s remaining $96.5 million was clear.
    Ken Rosenthal, The Athletic, 12 Dec. 2024

Thesaurus Entries Near definitive

Cite this Entry

“Definitive.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/definitive. Accessed 22 Dec. 2024.

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