over·​con·​fi·​dence ˌō-vər-ˈkän-fə-dən(t)s How to pronounce overconfidence (audio)
: 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 In other words, overconfidence may result in underachievement. Tom Siegfried, Smithsonian Magazine, 13 Feb. 2024 Still, the swings were yet another reminder of the hazards of overconfidence when plotting the outlook for rate-sensitive strategies, especially after a year in which Wall Street efforts to predict market moves ended in misery. Lu Wang, Fortune, 5 Jan. 2024 There is an amazing list of films on the shortlist so there’s no such thing as overconfidence. Addie Morfoot, Variety, 5 Jan. 2024 But the debacle at Southwest Airlines over Christmas last year should guard against overconfidence. David Koenig, Fortune, 21 Dec. 2023 This overconfidence can actually have a big downside. Joseph Folkman, Forbes, 30 Nov. 2023 At the core of these tragedies lies the very human drivers of our most basic errors: inattention, neglect, overconfidence, faulty assumptions. Ann Kowal Smith, Forbes, 27 Nov. 2023 This overconfidence could be due in part to AI hype touting chatbots as the new search engines. Ashley Belanger, Ars Technica, 23 Oct. 2023 Israeli overconfidence led to oversights and mistakes which were easily avoidable in hindsight. Dan Raviv, Time, 10 Oct. 2023 See More

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'overconfidence.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

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 1 Mar. 2024.

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