overconfidence

noun

over·​con·​fi·​dence ˌō-vər-ˈkän-fə-dən(t)s How to pronounce overconfidence (audio)
-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

Examples of overconfidence in a Sentence

Recent Examples on the Web
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Democrats are meeting with him; Pennsylvanian Democratic Sen. John Fetterman seems irritated at those in his party who make no effort to cooperate with the president-elect; and there seems to be a growing country-wide détente toward Trump, creating in him further overconfidence. Richard E. Vatz, Baltimore Sun, 26 Jan. 2025 The gap between confidence and overconfidence is invisible. Mark Kane, Forbes, 22 Jan. 2025 On race day, mulish overconfidence fueled me through all 13 icy miles. Amy X. Wang, New York Times, 14 Jan. 2025 While 75% of companies report having a dedicated AI strategy, over 90% of business leaders rank themselves in the top tier for AI knowledge—a possible red flag indicating overconfidence in an area where precise expertise is crucial. Quora, Forbes, 28 Nov. 2024 See all Example Sentences for overconfidence 

Word History

First Known Use

1622, in the meaning defined above

Time Traveler
The first known use of overconfidence was in 1622

Dictionary Entries Near overconfidence

Cite this Entry

“Overconfidence.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/overconfidence. Accessed 2 Feb. 2025.

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