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 The body of research exploring the link between autism and acetaminophen use during pregnancy is not conclusive, and there’s even less research looking at autism prevalence relative to acetaminophen use during infancy or early childhood. Deidre McPhillips, CNN Money, 23 Sep. 2025 His statements run counter to the most conclusive scientific evidence to date. Josh Fischman, Scientific American, 21 Sep. 2025 The team can't yet say anything conclusive yet about the Neptunian desert, its neighboring regions, or planetary evolution in general. Robert Lea, Space.com, 18 Sep. 2025 The center said over the summer that the law enforcement investigation into the abandonment stalled, and a review of surveillance cameras turned up nothing conclusive. Teri Figueroa, San Diego Union-Tribune, 18 Sep. 2025 See All Example Sentences for conclusive
Recent Examples of Synonyms for conclusive
Adjective
  • The absence of any definitive answer only invites more intrigue within an organization unafraid to make drastic changes.
    Chandler Rome, New York Times, 30 Sep. 2025
  • Of course, there is no definitive answer to the question of which royal princess has more aura, which is itself a highly subjective concept.
    Jack Royston, MSNBC Newsweek, 30 Sep. 2025
Adjective
  • Phishing scams often use convincing logos and language to trick you into revealing sensitive information.
    Kurt Knutsson, FOXNews.com, 30 Sep. 2025
  • The Free Application for Federal Student Aid (FAFSA) application goes live on October 1, but with student aid season underway, there is an onslaught of new and convincing scams within the education system.
    Suzanne Blake, MSNBC Newsweek, 30 Sep. 2025
Adjective
  • While economic influence and diplomacy shape a country’s role in the world, the ability to defend its borders and project force abroad remains a decisive factor in global affairs.
    Aamir Khollam, Interesting Engineering, 2 Oct. 2025
  • The Padres went with Robert Suarez, another stud right-hander, for the final four outs in the 3-0 victory that brings this postseason bout to a decisive Game 3 on Thursday in Chicago.
    Scott Thompson, FOXNews.com, 2 Oct. 2025
Adjective
  • This new Taiwanese series looks compelling.
    PC Magazine, PC Magazine, 3 Oct. 2025
  • That's what makes the minerals Perseverance spotted — particularly greigite in the leopard spots — so compelling.
    Sharmila Kuthunur, Space.com, 3 Oct. 2025
Adjective
  • Supplies are limited, and at this price, codes won’t last long.
    PC Magazine, PC Magazine, 4 Oct. 2025
  • Overall, crime in Over-the-Rhine, where thousands of people visit every weekend for dining and nightlife, is up by about 47% compared to last year, according to a city database.
    Matthew Cupelli, Cincinnati Enquirer, 4 Oct. 2025
Adjective
  • In fact, while vision isn’t their strongest sense, dogs may even be able to see certain aspects of a TV show.
    Alyce Collins, MSNBC Newsweek, 4 Oct. 2025
  • The young right-hander put together a strong season, but few were better after the All-Star break.
    Sahadev Sharma, New York Times, 4 Oct. 2025
Adjective
  • The details of his condition and what prompted his lengthy absence are not clear, although a news release issued by the city last year said Richardson had undergone multiple life-threatening surgeries.
    Arkansas Online, Arkansas Online, 7 Oct. 2025
  • Progressives have struggled to counteract that, lacking both the money and a clear storyline.
    David Weigel, semafor.com, 7 Oct. 2025
Adjective
  • No single factor alone will be determinative of the outcome and because of the different fact patterns that can arise when presented with a debt-equity question, not all of the factors will be relevant to each and every case.
    Virginia La Torre Jeker, Forbes.com, 13 Sep. 2025
  • One is determinative, and the architects of that story already know the morality contained in the story, with the objective to lay out a moral system.
    Etan Vlessing, HollywoodReporter, 7 Sep. 2025

Browse Nearby Words

Cite this Entry

“Conclusive.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/conclusive. Accessed 8 Oct. 2025.

More from Merriam-Webster on conclusive

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!