Definition of decisivenext
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Synonym Chooser

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

Some common synonyms of decisive are conclusive, definitive, and determinative. While all these words mean "bringing to an end," decisive may apply to something that ends a controversy, a contest, or any uncertainty.

a decisive battle

When is conclusive a more appropriate choice than decisive?

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

conclusive evidence

When can definitive be used instead of decisive?

The words definitive and decisive are synonyms, but do differ in nuance. Specifically, definitive applies to what is put forth as final and permanent.

the definitive biography

When is it sensible to use determinative instead of decisive?

The meanings of determinative and decisive largely overlap; however, 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 decisive In Scotland, Labor's difficulties were laid bare as John Swinney secured a decisive victory, dealing a further blow to Starmer’s authority. Emma Bussey, FOXNews.com, 11 May 2026 Elsewhere, West Ham’s 3-0 loss to Brentford was a decisive result in their chances of survival. Mark Carey, New York Times, 11 May 2026 The visitors won Thursday’s series opener 2-1, the decisive hit coming in the seventh inning when a flare to right field bounced in front of and then past right fielder Nick Castellanos’ attempt at a sliding catch. Kevin Acee, San Diego Union-Tribune, 9 May 2026 The decision gives Republicans a decisive edge in the redistricting wars and could nullify Democrats’ advantage going into the 2026 midterm elections. Justin Papp, CNBC, 8 May 2026 See All Example Sentences for decisive
Recent Examples of Synonyms for decisive
Adjective
  • Images of the shelter slipped the Russian choke hold to appear on the world’s screens—intact and unbowed amid the rubble, like a temple time-transported from some more ancient siege, the faces of those within drained but resolute.
    James Verini, The Atlantic, 12 May 2026
  • Many have affirmed their resolute support for Stewart despite any allegations.
    Christopher Keating, Hartford Courant, 11 May 2026
Adjective
  • This finale was written before the cancellation of Gen V, so a conclusive ending was not written for them, hence the future storylines this will set up.
    Paul Tassi, Forbes.com, 16 May 2026
  • No Americans have had a conclusive positive test result.
    Erika Edwards, NBC news, 13 May 2026
Adjective
  • And talks between Washington and Tehran have failed to reach a diplomatic agreement to bring a definitive end to the conflict.
    Los Angeles Times, Los Angeles Times, 12 May 2026
  • Deuce gave a definitive answer in Game 4, making the Knicks even more dangerous in the Eastern Conference finals.
    Tony Jones, New York Times, 10 May 2026
Adjective
  • The newsroom is split between those determined to suppress the truth and those who insist on publishing it.
    Emiliano de Pablos, Variety, 16 May 2026
  • At the time, the mother told officers Noel was staying with family in Mexico, which Everman’s then-Police Chief Craig Spencer has said was later determined to be untrue.
    Phil Helsel, NBC news, 16 May 2026
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.
    Ingrid Vasquez, PEOPLE, 17 May 2026
  • An hour north of New York City, the Hudson Valley has turned into one of the country’s most compelling beer regions with farms, river towns, mountain backdrops, and a concentration of serious breweries that keeps growing.
    Jim Dobson, Forbes.com, 16 May 2026
Adjective
  • In a rematch of last year’s championship, Jefferson defeated Oconee County 4-3 on penalty kicks to win the girls 3A state title Tuesday at Duluth High School.
    Sarah Spencer, AJC.com, 13 May 2026
  • Two losses in last month’s three league matches gave the impression of momentum slipping, and even if performances improved towards the end of April, something different was needed to shift the energy towards the club.
    Art de Roché, New York Times, 13 May 2026
Adjective
  • The result is a fiery and impassioned offering that finds the veteran fully engaged and intent on proving no chinks have been left in his armor despite his tenuous back-and-forth with his Compton counterpart.
    Preezy Brown, VIBE.com, 15 May 2026
  • The defendants’ attorneys contend that the government doesn’t have the evidence to prove beyond a reasonable doubt that there was intent to join a criminal racketeering conspiracy.
    Judy L. Thomas, Kansas City Star, 15 May 2026
Adjective
  • Shabana Mahmood, the Home Secretary and one of Labour’s more convincing politicians, was one of several ministers who asked the Prime Minister to set a timetable for his departure.
    Sam Knight, New Yorker, 14 May 2026
  • The recreations were so convincing that visitors from Tennessee believed the film had shot on location.
    Naman Ramachandran, Variety, 13 May 2026

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Cite this Entry

“Decisive.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/decisive. Accessed 19 May. 2026.

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