COCKSURENESS Synonyms: 38 Similar and Opposite Words

cocksureness

noun

as in certainty

a state of mind in which one is free from doubt the cocksureness with which he presented his investment scheme convinced others to jump in

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Recent Examples of Synonyms for cocksureness

Noun

In the span of three weeks, the Red Sox went from an almost certainty to trade Aroldis Chapman, Sonny Gray and maybe Willson Contreras to now looking like clear buyers.

— Zack Meisel, New York Times, 24 July 2026
Errant thoughts will still arise (the laundry, the email, the certainty that your opening scene is a disaster) but in a mindful state, those thoughts are observable.

— April Dávila, Literary Hub, 22 July 2026

Definition of certainty

Noun

The public seeks assurances that AI's economic benefits will be broadly shared.

— Gary Drenik, Forbes.com, 21 July 2026
And though at least some Heat interest in DeRozan would be expected if James bypasses the Heat, Miami as of Monday had made no assurances to DeRozan and hasn’t told him if he will be pursued if James doesn’t join Miami, according to a source.

— Anthony Chiang, Miami Herald, 21 July 2026

Definition of assurance

Noun

Once at the top of the mile-long climb, only one nit had come off the battery, and the Vienna flew down the backside of the hill at over 30 mph with confidence.

— William Roberson, Forbes.com, 22 July 2026
More broadly, Iran’s attacks have also punctured confidence and security in the Gulf, disrupting tourism and air travel in a key global transport node, and prompting some expats to flee.

— Jomana Karadsheh, CNN Money, 21 July 2026

Definition of confidence

Noun

Garcia’s conviction included an enhancement for fleeing after committing a gross vehicular manslaughter and personally using a deadly weapon in the commission of the offense.

— Rosalio Ahumada, Sacbee.com, 23 July 2026
An earnings gap that remains open, whether up or down, signals strong conviction behind the move.

— Frank Cappelleri, CNBC, 22 July 2026

Definition of conviction

Noun

Choosing the right kitchen backsplash prevents costly mistakes, ensures long-term satisfaction, and sets the tone stylistically.

— Sarah Lyon, The Spruce, 25 July 2026
Produced by Jay Joyce and co-written with Dan Wilson and Steve Rusch, the song captures the satisfaction of moving on after an ex tries to return.

— SPIN Staff, SPIN, 24 July 2026

Definition of satisfaction

Noun

With its grand explanatory ambitions, theory swept away doubt, offering in its place the certitudes of an all-encompassing system.

— Literary Hub, Literary Hub, 21 July 2026
My prayers for my country and for people everywhere rest on the certitude that God’s ever-present love, power, and wisdom will ultimately destroy any belief in a power opposed to His good and perfect creation.

— André Kisonga, Christian Science Monitor, 30 June 2026

Definition of certitude

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cocksure

cocksureness

cocktail

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“Cocksureness.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/cocksureness. Accessed 28 Jul. 2026.

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Synonyms of cocksureness

noun

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