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
  • Jimmy, boyish and cocky as ever, proves a real asset thanks to his clandestine connection with Lex’s fashionista, selfie-snapping girlfriend Eve (Sara Sampaio).
    David Rooney, HollywoodReporter, 8 July 2025
  • The story itself is stripped to bone and sinew: a sleepy New England beach town that wants tourist dollars more than truth, an invisible killer in plain water, and three men — one scared sheriff, one cocky scientist, one Ahab of a fisherman — set adrift to settle nature’s score.
    Philip Martin, Arkansas Online, 19 June 2025
Adjective
  • Experts are over 14 times more likely than light users to apply AI across all three phases and are twice as confident in the quality of their output.
    Ron Schmelzer, Forbes.com, 20 July 2025
  • While there are some things for the Lions to overcome this season, Newton is confident in their ability to do so.
    Evan Massey, MSNBC Newsweek, 19 July 2025
Adjective
  • The wise stargazer brings warm clothes, bug spray and snacks — and takes breaks from staring at the sky every 30 minutes or so.
    Jamie Carter, Forbes.com, 16 July 2025
  • For investors, is the resolve to assume tariff threats are bluffs and the impact easily handled a wise stance based on lessons learned in the April overshoot sell-off?
    Michael Santoli, CNBC, 12 July 2025
Adjective
  • Going into the conversation, Alicia wasn’t sure how Amelia would respond.
    Jordan Greene, People.com, 11 July 2025
  • One thing is for sure: This year’s Wimbledon final will feature two of the world’s top players, and fans should be thrilled with how the tournament has played out.
    Jess Bryant, New York Times, 11 July 2025
Adjective
  • Gemma reluctantly agrees to rebuild her impudent robot in a new body, and the sequel ends with an explosive showdown between Amelia and M3GAN, who nearly dies in a noble attempt to save Gemma and her niece, Cady (Violet McGraw).
    Patrick Ryan, USA Today, 29 June 2025
  • 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
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
  • His assassination marked a significant and brazen escalation in the ongoing conflict between Ukraine and Russia that began in February 2022 when Russian President Vladimir Putin invaded the Eastern European nation.
    Emma Marsden, MSNBC Newsweek, 13 July 2025
  • By the early 1990s, RAM’s Thursday night concerts were wildly popular, marathon affairs charged with increasingly brazen protests against the military junta that ousted President Jean-Bertrand Aristide.
    Jason Motlagh, Rolling Stone, 13 July 2025
Adjective
  • In a city where so many big plans have gone so badly for 30 years, San Diego residents shouldn’t just be wary when another bold proposal comes long — they should be terrified.
    U T Editorial Board, San Diego Union-Tribune, 12 July 2025
  • And Los Angeles needs bold, systemic reform to meet the moment.
    Los Angeles Times, Los Angeles Times, 12 July 2025

Cite this Entry

“Cocksure.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/cocksure. Accessed 25 Jul. 2025.

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