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
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.
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 Some critics, including those among the media and fan base, have suggested Ballard’s belief in his players is tainted by overconfidence in his own evaluations. James Boyd, The Athletic, 25 July 2024 That arrogance and overconfidence lead to hubris, which clouds their ability to see things clearly. Stephanie Dillon, Rolling Stone, 23 Dec. 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 21 Jan. 2025.

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