Synonym Chooser

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

Some common synonyms of conclusive are decisive, definitive, and determinative. While all these words mean "bringing to an end," conclusive applies to reasoning or logical proof that puts an end to debate or questioning.

conclusive evidence

When would decisive be a good substitute for conclusive?

The words decisive and conclusive can be used in similar contexts, but decisive may apply to something that ends a controversy, a contest, or any uncertainty.

a decisive battle

When could definitive be used to replace conclusive?

The meanings of definitive and conclusive largely overlap; however, definitive applies to what is put forth as final and permanent.

the definitive biography

When might determinative be a better fit than conclusive?

While in some cases nearly identical to conclusive, determinative adds an implication of giving a fixed character or direction.

the determinative factor in the court's decision

Example 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 conclusive Steven Meyer, of the nonprofit organization Urban Rivers, said a Shedd Aquarium employee caught the first conclusive pictures of the season, which show a notch in the back right portion of the reptile’s shell. Caroline Kubzansky, Chicago Tribune, 30 May 2025 The series had a rather shocking ending, and in some ways, seemed pretty conclusive. Paul Tassi, Forbes.com, 25 June 2025 Those observations proved less conclusive than had been hoped, but during the rest of the voyage, Cook was able to map the coastland of New Zealand before sailing west to the southeastern coast of Australia—the first record of Europeans on the continent's Eastern coastline. ArsTechnica, 24 June 2025 There’s little conclusive evidence yet that creatine boosts cognition. Staff Author Published, Verywell Health, 11 June 2025 See All Example Sentences for conclusive
Recent Examples of Synonyms for conclusive
Adjective
  • Introducing the 2025 Fortune 500, the definitive ranking of the biggest companies in America.
    Sasha Rogelberg, Fortune, 6 July 2025
  • To be fair, Jaws @ 50: The Definitive Inside Story is, well, the definitive inside story.
    Tony Maglio, HollywoodReporter, 4 July 2025
Adjective
  • How Companies Are Using AI One of the most convincing arguments for AI is its capacity to improve efficiency.
    Carmen Skipworth, Forbes.com, 14 July 2025
  • His impersonation is so convincing that Lu and Shin are initially fooled.
    Allison DeGrushe Published, EW.com, 14 July 2025
Adjective
  • The second set ultimately went all the way to a tiebreak, and after trading two mini-breaks apiece, the British pair gained a decisive two-point advantage, aided by a Pel double-fault.
    Leon Imber, New York Times, 12 July 2025
  • The idea that no one was born inherently superior, that status wasn’t tied to birth but to citizenship and shared rights, was a radical break in human history and a decisive rejection of Old World European ideology.
    Jared Nordlund, The Orlando Sentinel, 12 July 2025
Adjective
  • Never miss a story — sign up for PEOPLE's free daily newsletter to stay up-to-date on the best of what PEOPLE has to offer, from celebrity news to compelling human interest stories.
    Erin Clack, People.com, 13 July 2025
  • After Jelly Roll’s big moment cost McIntyre a win at WWE Saturday Night’s Main Event, McIntyre is a strong candidate to challenge for the WWE Championship immediately after SummerSlam, especially with a lack of other compelling options on SmackDown.
    Blake Oestriecher, Forbes.com, 13 July 2025
Adjective
  • One more to try for a girl and that would be their last.
    Alyce Collins, MSNBC Newsweek, 12 July 2025
  • The Padres begin the day a half-game out of the NL’s last wild-card spot.
    Jeff Sanders, San Diego Union-Tribune, 12 July 2025
Adjective
  • According to research from Everytown for Gun Safety, a nonprofit that advocates for gun control, strong gun control laws are correlated with fewer gun deaths.
    Elliot Hughes, Journal Sentinel, 13 Jan. 2023
  • This results in a charge imbalance that builds up an electric field strong enough to trigger flashes of lightning.
    National Geographic, National Geographic, 13 Jan. 2023
Adjective
  • The extent of the driver’s injuries were not immediately clear.
    Justin Muszynski, Hartford Courant, 10 July 2025
  • For investors, developers, and tenants, the message is clear: The forthcoming shakeout from America’s return to office will create distinct winners and losers, with the South leading the way into recovery.
    Preston Fore, Fortune, 10 July 2025
Adjective
  • To make market size less determinative and chaos more predictable.
    Mike Vorkunov, New York Times, 22 June 2025
  • The 10 percent is not determinative for whether an employer has been partially suspended.
    Matthew Roberts, Forbes, 12 Jan. 2025

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Cite this Entry

“Conclusive.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/conclusive. Accessed 20 Jul. 2025.

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