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
  • 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
  • The Pacers—athletic, young, clever, cocky guys with vibes like the youngest brother in a rich exurban family—answered with pesky defense and an approach to basketball that more nearly approximated a sprint-heavy peewee track meet.
    Vinson Cunningham, New Yorker, 22 May 2025
Adjective
  • From there, the team set about making Victor feel comfortable and confident as both a filmmaker and a performer.
    Mark Olsen, Los Angeles Times, 26 June 2025
  • Hollinger’s analysis: Zach Kleiman once again trades up to get his guy; this pick was made by Portland but is being sent to the Grizzlies, who weren’t confident Coward would get to them at 16.
    Sam Vecenie, New York Times, 26 June 2025
Adjective
  • Washington eventually adopted more sensible approaches that mobilized the resources of key allies, developed a wiser balance between conventional and nuclear tools, and assumed a less confrontational attitude toward Moscow.
    JENNIFER LIND, Foreign Affairs, 24 June 2025
  • Those who are successful in the job market learn how to embrace tradeoffs to make wise choices.
    Michael B. Horn, Time, 24 June 2025
Adjective
  • Beth Callahan wasn't all that sure about the clinical trial at first, but Kevin couldn't stop thinking about all that had gone into it – getting chemotherapy as an approved treatment.
    Ted Koppel, CBS News, 29 June 2025
  • One thing is for sure, though: cleaning out your clothes can be a major endeavor, which can sometimes feel both emotional and overwhelming.
    Patricia Shannon, Southern Living, 29 June 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
  • Murder by Death District Music Hall, 71 Wall St., Norwalk The Indiana indie rock band Murder by Death, which features a cello in its lineup and a lot of brazen musical ideas, is calling it quits after a quarter century.
    Christopher Arnott, Hartford Courant, 21 June 2025
  • Such perspectives make Wax’s Izzy a multi-layered and often contradictory character: self-assured, yet also self-doubting; brazen, yet guilty; fearless, yet also fearful.
    Frank Rizzo, Variety, 13 June 2025
Adjective
  • Her makeup included bold brows, lined eyes and a rosy lip.
    Julia Teti, Footwear News, 30 June 2025
  • The Hershey Company, known as a confectionery giant, is transforming itself into a snacking powerhouse through savvy acquisitions, bold brand building, and strategic retail partnerships.
    Shelley E. Kohan, Forbes.com, 30 June 2025

Cite this Entry

“Cocksure.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/cocksure. Accessed 5 Jul. 2025.

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