overconfident
adjective
over·con·fi·dent
ˌō-vər-ˈkän-fə-dənt 
-ˌdent
: excessively or unjustifiably confident : having too much confidence (as in one's abilities or judgment)
an overconfident driver
wasn't overconfident about their chances of winning
… he often starts cold, missing a few shots, allowing his opponent to get on a roll, to get overconfident.—
Brett Forrest
Brett Forrest
overconfidently
adverb
overconfidently predicted the team would win
Examples of overconfident in a Sentence
the overconfident quarterback made some careless decisions that cost him the game
Recent Examples on the Web
The Apple study's revelation that AI reasoning models fail when faced with true complexity mirrors how overconfident individuals often struggle with genuinely challenging problems while maintaining their persuasive veneer.
—Cornelia C. Walther, Forbes.com, 10 June 2025
Most accidents happen when overconfident visitors ignore the rules or stray from marked paths.
—Erica Firpo, AFAR Media, 4 June 2025
In fact, overconfident decision-makers typically rely on excessive data or dashboards that distract from what really matters.
—Nuala Walsh, Forbes.com, 22 May 2025
So when an overconfident Dedra enters the antique shop on her own to arrest Luthen, and Luthen takes advantage of this to attempt suicide so he can’t be forced to turn on his allies, Kleya is given an impossible but necessary task.
—Alan Sepinwall, Rolling Stone, 14 May 2025
See All Example Sentences for overconfident
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.
Cornelia C. Walther, Forbes.com, 10 June 2025
Most accidents happen when overconfident visitors ignore the rules or stray from marked paths.
—Erica Firpo, AFAR Media, 4 June 2025
In fact, overconfident decision-makers typically rely on excessive data or dashboards that distract from what really matters.
—Nuala Walsh, Forbes.com, 22 May 2025
So when an overconfident Dedra enters the antique shop on her own to arrest Luthen, and Luthen takes advantage of this to attempt suicide so he can’t be forced to turn on his allies, Kleya is given an impossible but necessary task.
—Alan Sepinwall, Rolling Stone, 14 May 2025
See All Example Sentences for overconfident
Cite this Entry
“Overconfident.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/overconfident. Accessed 5 Jul. 2025.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share