Synonym Chooser

How does the adjective cocksure contrast with its synonyms?

Some common synonyms of cocksure are certain, positive, and sure. While all these words mean "having no doubt or uncertainty," cocksure implies presumptuous or careless positiveness.

you're always so cocksure about everything

Where would certain be a reasonable alternative to cocksure?

While in some cases nearly identical to cocksure, certain may apply to a basing of a conclusion or conviction on definite grounds or indubitable evidence.

police are certain about the cause of the fire

When can positive be used instead of cocksure?

The words positive and cocksure are synonyms, but do differ in nuance. Specifically, positive intensifies sureness or certainty and may imply opinionated conviction or forceful expression of it.

I'm positive that's the person I saw

When is sure a more appropriate choice than cocksure?

The meanings of sure and cocksure largely overlap; however, sure usually stresses the subjective or intuitive feeling of assurance.

felt sure that I had forgotten something

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 cocksure Amid the cocksure bravado of the adventure-sports world, fluidity is read as weakness. Alison Van Houten, Outside Online, 22 Aug. 2020 So cocksure are they, even their hair seems to swagger. San Diego Union-Tribune, 8 May 2022 Craig Kilborn, the fratty cocksure original host of The Daily Show, had gotten his big call-up from CBS to host the late-night slot following David Letterman’s, which was one of two jobs Stewart didn’t get. Devin Gordon, The Atlantic, 21 Apr. 2022 After the evacuation, the four Brits were skewered as irresponsible and cocksure by Icelanders and media outlets around the world. Devon O’Neil, Outside Online, 20 Apr. 2016 See All Example Sentences for cocksure
Recent Examples of Synonyms for cocksure
Adjective
  • Stringing episodes together, screenwriter Anderson (working from a story co-created by Roman Coppola) treats Korda as a cocky survivor of fabulous riches.
    Michael Phillips, Chicago Tribune, 5 June 2025
  • He’s joined by elder statesman Randall (Steve Carell), idealistic AI expert Jeff (Ramy Youssef) and the richest of them all: Ven (Cory Michael Smith), a clear Elon Musk analogue who rules over his social media empire with a cocky bravado.
    Dave Nemetz, TVLine, 2 June 2025
Adjective
  • Brother Rice coach Sean McBride felt confident giving Sheehan the ball.
    Steve Millar, Chicago Tribune, 14 June 2025
  • Currently, the scientist can't be totally confident that these spikes are connected to supernovas.
    Robert Lea, Space.com, 13 June 2025
Adjective
  • Over the last two seasons, Alexander has missed 20 games due to injury, and adding him into a cornerback room that is already reeling from health issues would not be the wisest decision.
    Nick Harris, Fort Worth Star-Telegram, 9 June 2025
  • Which is wiser: Spending money on more firefighting resources after wildfires break out and absorbing the extraordinary cost of damages, or investing in technologies and training to prevent wildfires from happening in the first place?
    Abhishek Singh, Forbes.com, 30 May 2025
Adjective
  • For years, the consensus has been that fiber is the surest way to manage the need for faster connectivity and to keep pace with technological advances and consumer expectations.
    Jennifer Sanders, Forbes.com, 5 June 2025
  • Scientists aren't quite sure These magnetic fields are incredibly weak — on the order of a billion times weaker than Earth's magnetic field.
    Paul Sutter, Space.com, 5 June 2025
Adjective
  • One chord appears to speak to the other, sounding almost impudent in their simplicity, equal parts ecstatic and heartbreakingly melancholic.
    Sam Davies, Rolling Stone, 10 Mar. 2025
  • In short, Moscow sees Montenegro as both strategically valuable and an impudent upstart that has thumbed its nose at the Russian bear while genuflecting before NATO and Washington.
    Edward P. Joseph, Foreign Affairs, 22 Dec. 2016
Adjective
  • One’s insolent, calling him lame and old, and the other affectedly infantile, but both are exhausting in their own way.
    Keith Phipps, Vulture, 16 Apr. 2025
  • The government, in an insolent filing on Sunday evening, rewrote that instruction.
    Ruth Marcus, New Yorker, 14 Apr. 2025
Adjective
  • Joya remembers her late husband’s brazen attitude in making that partnership happen: Herb had walked into the school district’s headquarters and asked to speak to the top person in charge.
    Michael Butler, Miami Herald, 7 June 2025
  • Meanwhile, there is brazen talk that AGI is just around the corner.
    Lance Eliot, Forbes.com, 6 June 2025
Adjective
  • Now retired, Nouveau Chapeau is helping Charis get back to bolder colors and patterns.
    Emiene Wright, Charlotte Observer, 6 June 2025
  • The pitch promises a bold new voice in European adult animation.
    Jamie Lang, Variety, 6 June 2025

Cite this Entry

“Cocksure.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/cocksure. Accessed 18 Jun. 2025.

Last Updated: - Updated example sentences
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