over·​op·​ti·​mism ˌō-vər-ˈäp-tə-ˌmi-zəm How to pronounce overoptimism (audio)
: an excessive or unrealistic degree of optimism
… folks tend toward overoptimism about their prospects and their skills.Bill Alpert
overoptimistic adjective
overoptimistic projections for the future
overoptimistically adverb
Wilma values her car at $10,000 and overoptimistically thinks she can sell it for $20,000, which is more than anyone will actually pay. Sanford Ikeda

Examples of overoptimism in a Sentence

Recent Examples on the Web Anything that is tradable and has had a dramatic rise in price can produce overoptimism and popularity. John S. Tobey, Forbes, 27 Apr. 2021 If anticipating great joy after finishing a presentation inspires you to power through it, your overoptimism might be a positive influence. Elizabeth Svoboda, The Christian Science Monitor, 20 Oct. 2020

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'overoptimism.' 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

1898, in the meaning defined above

Time Traveler
The first known use of overoptimism was in 1898

Dictionary Entries Near overoptimism

Cite this Entry

“Overoptimism.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/overoptimism. Accessed 24 Sep. 2023.

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