OVERCONFIDENCE Synonyms: 63 Similar and Opposite Words

overconfidence

noun

Definition of overconfidence

as in arrogance

Related Words

Relevance

Dissimilar Words

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 overconfidence Their wild overconfidence won’t cause downstream problems for your team, because you’ll already be prepared. — Dorie Clark, Contributor, CNBC, 15 Oct. 2026 President Obama warned against overconfidence during remarks at a fund-raiser for Senate Democrats. — Sasha Von Oldershausen Sasha Von Oldershausen Sasha Von Oldershausen Kevin Williams Kevin Williams Shane Goldmacher and Pati Mazzei, New York Times, 9 Oct. 2026 Even the cruel Paulina’s misplaced overconfidence and comeuppance merits our charity. — Greg Evans, Deadline, 28 Sep. 2026 Adika explained to Fortune why this growing confidence often blends into overconfidence. — Nick Lichtenberg, Fortune, 25 Aug. 2026 See All Example Sentences for overconfidence

Recent Examples of Synonyms for overconfidence

Noun

But the Workers’ Party (PT) leader, who was accused of arrogance and of failing to understand the needs of young gig-economy workers, shook up his strategy, said Igor Gielow in Folha de São Paulo.

— The Week UK, TheWeek, 31 Oct. 2026
McVay and Snead have effectively built a culture of arrogance.

— Los Angeles Times, Los Angeles Times, 24 Oct. 2026

Definition of arrogance

Noun

And the 24-year-old has done it, as most of you have surely heard after his back-and-forth with Dončić in the opener, with a level of cockiness rarely seen from a first-timer of any age.

— Dan Woike, New York Times, 28 Oct. 2026
The rookie quarterback understands there's a clear distinction, though, between poise and cockiness.

— CBS New York Team, CBS News, 13 Aug. 2026

Definition of cockiness

Noun

On top of that, the mental load that comes with handling a health crisis like cancer can do a number on a woman’s body image and self-confidence.

— Helen Carefoot, Flow Space, 29 Oct. 2026
His campaign has targeted boosting school attendance and student self-confidence as the district’s two biggest challenges.

— Sophia Veneziano, San Antonio Express-News, 16 Oct. 2026

Definition of self-confidence

Noun

The research represents an early step towards making model identity and response integrity independently verifiable, potentially giving users greater confidence in the systems powering their applications.

— Neetika Walter, Interesting Engineering, 4 Nov. 2026
Have the confidence to walk away For founders, persistence is often celebrated, but knowing when to stop investing in a business can be just as important as having the conviction to start one.

— Amy Francombe, Vogue, 3 Nov. 2026

Definition of confidence

Noun

Reiter’s character’s brash self-assurance, along with her expressive face and physicality, really complement a deadpan Wickline.

— Rima Parikh, Vulture, 27 Sep. 2026
The 25-year-old from California opened the final with some swagger, popping four aces in the first game, but his self-assurance quickly ebbed.

— Ava Wallace, New York Times, 14 Aug. 2026

Definition of self-assurance

Noun

FlashProve aims to provide that assurance without requiring users to access or independently run the model.

— Neetika Walter, Interesting Engineering, 4 Nov. 2026
The group stressed that the issue goes beyond its Instagram account, saying that Americans who rely on Meta’s platforms need assurance that voting content won’t be suppressed ahead of or on election day.

— Ashley Belanger, ArsTechnica, 3 Nov. 2026

Definition of assurance

Noun

The real drag on the system right now is the absence of the presumption of regularity judges are being faced with.

— John E. Jones III, The Conversation, 4 Nov. 2026
Impact The initial phase of contract talks still would have union and county representatives seeking to hammer out a mutually beneficial deal, with a presumption that both sides would negotiate in good faith.

— Times staff, Los Angeles Times, 30 Oct. 2026

Definition of presumption

Browse Nearby Words

overcomplicated

overconfidence

overconfident

See all Nearby Words

Cite this Entry

Style

“Overconfidence.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/overconfidence. Accessed 9 Nov. 2026.

Copy Citation

Synonyms of overconfidence

noun

Example Sentences

Browse Nearby Words

Cite this Entry

More from Merriam-Webster

Word of the Day

wabi-sabi

Popular in Grammar & Usage

How to Use 'Who' vs. 'Whom'

Merriam-Webster’s Great Big List of Words You Love to Hate

'Affect' vs. 'Effect'

Is it 'nerve-racking' or 'nerve-wracking'?

What's the difference between 'fascism' and 'socialism'?

Popular in Wordplay

Great Big List of Beautiful and Useless Words, Vol. 5

9 Words That Sound Like Insults But Aren't

7 Words for Old-Timey Vehicles

Even More Bird Names that Sound Like Insults (and Sometimes Are)

12 Lovely and Unusual Words for the Natural World

Popular

How to Use 'Who' vs. 'Whom'

Great Big List of Beautiful and Useless Words, Vol. 5

9 Words That Sound Like Insults But Aren't

Games & Quizzes