Definition of cocksurenext

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 Blyth plays Cal, a jumpy and cocksure construction manager who is very much the third wheel — or more like the monkey wrench — in the recent couple formed by Leonie and the considerably older Horn. Jordan Mintzer, HollywoodReporter, 4 Sep. 2025 No brand should be so cocksure as to presume its products are irreplaceable. Cate Rubenstein, Rolling Stone, 11 Jan. 2023 Yann Gael, Roger Sallah and Mentor Ba entertain as tough guy gunslingers, but their cocksure attitude is tested when a paranormal foe threatens them and their stash of gold. Thomas Page, CNN, 23 Sep. 2022 From the start, Mr. Koecher was at once brilliant and hard to take—cocksure and certain that he was destined for great things. Edward Kosner, WSJ, 25 Aug. 2022 See All Example Sentences for cocksure
Recent Examples of Synonyms for cocksure
Adjective
  • Sipos as Dean, the life of the party, confident bordering on cocky.
    Rosy Cordero, Deadline, 25 June 2026
  • The city had a thriving poker scene in the early two-thousands, with enormous jackpots exchanging hands in empty warehouses and office parks, and Pughsley quickly earned a reputation for being loud and cocky.
    Keith O’Brien, New Yorker, 25 June 2026
Adjective
  • Ship traffic first started to pick up over the weekend as shipping companies became more confident that talks between the US and Iran were progressing.
    Vanessa Yurkevich, CNN Money, 26 June 2026
  • Merlin, a 2-year-old duck, has taken the internet by storm, captivating fans with his tiny form-fitting Team Mexico jersey and confident waddle around his home of Mexico City.
    Andrew Greif, NBC news, 26 June 2026
Adjective
  • Let curiosity guide cooperation toward a wiser agreement.
    Tarot.com, Baltimore Sun, 27 June 2026
  • Grantham is either a wise veteran warning investors again or a permanent bear who fails to understand a new financial system.
    Jim Osman, Forbes.com, 27 June 2026
Adjective
  • An investigation by the National Transportation Safety Board (NTSB) found that the driver failed to make sure the tracks were clear.
    JT Moodee Lockman, CBS News, 26 June 2026
  • Make sure the shiny, reflective side is facing out.
    Cody Godwin, USA Today, 26 June 2026
Adjective
  • Mantello wasn’t being impudent.
    Theater Critic, Los Angeles Times, 6 May 2026
  • His first goal was pretty enough, an inch-perfect sidefoot just inside Donnarumma’s far post, but his second was a work of impudent art.
    Liam Twomey, New York Times, 11 Mar. 2026
Adjective
  • In the 18th century, lusty also meant insolent, which might have conveyed Anderson’s frustrations with Dina’s unwillingness to accept his authority over her.
    Carolyn Zola, The Conversation, 11 June 2026
  • Meanwhile, the insolent and hyper-confident Ruben (Stuart Campbell as a teen and Gadd as a grown-up) has been in trouble with the law from a tender age.
    Carlos Aguilar, Los Angeles Times, 23 Apr. 2026
Adjective
  • Many also thought that Red44 was becoming too public, too brazen, too loud, and no one was louder than Nathan Burdette.
    Keith O’Brien, New Yorker, 25 June 2026
  • The brazen daylight shooting happened in the city’s most populous borough, Côte-des-Neiges, and ended after a shootout with the suspect, who was also killed.
    Alexandra Banner, CNN Money, 23 June 2026
Adjective
  • Below are five bold predictions about what the world of artificial intelligence will look like in the year 2030.
    Rob Toews, Forbes.com, 22 June 2026
  • Pheromone perfume has flooded social media feeds with bold claims about boosting attraction, but the science behind these scented sprays is murkier than the marketing suggests.
    Lauren Jarvis-Gibson, Fort Worth Star-Telegram, 22 June 2026

Cite this Entry

“Cocksure.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/cocksure. Accessed 29 Jun. 2026.

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