overconfidence
noun
over·con·fi·dence
ˌō-vər-ˈkän-fə-dən(t)s 
-ˌden(t)s
: an excess of confidence (as in one's abilities or judgment) : confidence that is not justified
warned against overconfidence when investing
People tend to overestimate their skills behind the wheel and underestimate the skills of the boobs and psychopaths driving around them, a phenomenon that psychologists call "optimism bias" and the rest of us simply call delusional overconfidence.—
David H. Freedman
David H. FreedmanExamples of overconfidence in a Sentence
Recent Examples on the Web
This is a moment of genuine courage and growth, but it can be dismissed as snitching by viewers who can’t see past her overconfidence from several hours ago.
—Kathleen Walsh, Glamour, 10 Apr. 2025
Hubris Boards that have consistently performed well or achieved strong returns can sometimes fall into a pattern of overconfidence.
—Committee Of 200, Forbes.com, 9 Apr. 2025
In today’s business environment, change and disruption are constant, and overconfidence can be the downfall of a senior leader.
—Tracy Lawrence, Forbes.com, 30 Mar. 2025
And so his default or resting position is like awesomeness, overconfidence.
—Kevin Sabet, Newsweek, 24 Mar. 2025
See All Example Sentences for overconfidence
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Kathleen Walsh, Glamour, 10 Apr. 2025
Hubris Boards that have consistently performed well or achieved strong returns can sometimes fall into a pattern of overconfidence.
—Committee Of 200, Forbes.com, 9 Apr. 2025
In today’s business environment, change and disruption are constant, and overconfidence can be the downfall of a senior leader.
—Tracy Lawrence, Forbes.com, 30 Mar. 2025
And so his default or resting position is like awesomeness, overconfidence.
—Kevin Sabet, Newsweek, 24 Mar. 2025
See All Example Sentences for overconfidence
Cite this Entry
“Overconfidence.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/overconfidence. Accessed 23 Apr. 2025.
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