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 Boston controlled the margins, holding decisive edges in points off turnovers, offensive rebounding and second-chance points. Zack Cox, Boston Herald, 6 Jan. 2026 If the hope among Democrats for a decisive blue wave in the 2026 midterms has a chance of coming to pass, the party would likely have to win difficult House contests in redder parts of the country. Hunter Woodall, CBS News, 5 Jan. 2026 The Mustangs earned resume-building wins over Butler, Mississippi State and Texas A&M before opening conference play with a decisive 97-83 win over the Tar Heels. Lia Assimakopoulos, Dallas Morning News, 5 Jan. 2026 Bazaaris, the merchant class, played a decisive role in the 1979 Islamic Revolution and in earlier movements such as the 1906 Constitutional Revolution. Washington Post, 5 Jan. 2026 See All Example Sentences for decisive
Recent Examples of Synonyms for decisive
Adjective
  • But Sarah remains resolute, Bert tamps down his desire to make a quick buck — for a while, at least — and the situation starts to draw national attention, thanks to the involvement of a white civil rights attorney and a Black reporter from up north.
    Joe Leydon, Variety, 7 Nov. 2025
  • Despite his anger, the woman remained confused but resolute.
    Ashley Vega, PEOPLE, 7 Nov. 2025
Adjective
  • Though home blood pressure monitors are effective, a healthcare provider can provide more accurate and conclusive results.
    Mark Gurarie, Verywell Health, 6 Nov. 2025
  • Despite numerous conclusive assessments that the Saudi regime planned and perpetrated Khashoggi’s murder, the high-level officials who ordered his execution have gone unpunished, six years on.
    Scott Griffen, MSNBC Newsweek, 4 Nov. 2025
Adjective
  • The testing process is built for speed and discretion, delivering a definitive answer in approximately two minutes.
    Mrigakshi Dixit, Interesting Engineering, 6 Jan. 2026
  • Without any definitive answers just yet, there's been lots of speculation in the local press, including questions about whether the couple were murdered or died by suicide.
    David Chiu, PEOPLE, 5 Jan. 2026
Adjective
  • Left in the dark Early in the pandemic, Florida was determined to keep a lid of secrecy on the spread of COVID-19 in long-term care facilities.
    Kevin G. Hall, Miami Herald, 7 Nov. 2025
  • In a landscape of fear and scarcity, where basic ingredients are nearly impossible to find, Lamia sets out on a determined journey throughout the big city in search of eggs, flour and sugar.
    Carole Horst, Variety, 7 Nov. 2025
Adjective
  • Department stores still have to make a compelling case for consumers to come back.
    Phil Wahba, Fortune, 7 Nov. 2025
  • North Carolina is renowned for its music, creativity, and breathtaking mountain views, but its large-scale artworks offer another compelling reason to visit the state.
    Jennifer Prince, Southern Living, 7 Nov. 2025
Adjective
  • Adebayo, who missed only four games last season, sat out for the first time this season with a sprained left big toe.
    Barry Jackson, Miami Herald, 8 Nov. 2025
  • The trauma of last weekend will require patient rehabilitation and mental care.
    Philip Buckingham, New York Times, 8 Nov. 2025
Adjective
  • More than anything, O’Leary is intent on branding himself a champion of capitalism.
    Alison Willmore, Vulture, 2 Jan. 2026
  • The members of NewJeans had originally seemed intent on appealing the decision before ultimately deciding to open up talks of a return with Ador.
    Jon Blistein, Rolling Stone, 31 Dec. 2025
Adjective
  • The Gators found their offensive flow and applied the defensive clamps against the high-scoring Bulldogs during a convincing and pivotal 92-77 win Tuesday night at the O’Connell Center.
    Edgar Thompson, The Orlando Sentinel, 7 Jan. 2026
  • After pulling away in the second half, Old Rochester continued building league momentum with a convincing 54-32 victory.
    Zach McMahon, Boston Herald, 7 Jan. 2026

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Cite this Entry

“Decisive.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/decisive. Accessed 11 Jan. 2026.

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