optimism

noun

op·​ti·​mism ˈäp-tə-ˌmi-zəm How to pronounce optimism (audio)
Synonyms of optimismnext
1
: a doctrine that this world is the best possible world
2
: an inclination to put the most favorable construction upon actions and events or to anticipate the best possible outcome
expressed optimism about the future of the business
the optimism of cheerleaders

Examples of optimism in a Sentence

Both of them expressed optimism about the future of the town. The early sales reports are cause for optimism. There is growing optimism that the problem can be corrected. He maintains a sense of optimism, despite all that has happened.
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.
Your optimism works best when people can trust the information in front of them. Tarot.com, Baltimore Sun, 23 May 2026 That optimism, however, had a thread of caution woven through it. Maddie Lee, Los Angeles Times, 23 May 2026 Then the Giants leaked Schoen’s contract extension shortly before Game 2 of the Knicks’ and NBA’s Eastern Conference Final, which flipped the offseason optimism about a huge change to the organization’s operations upside down on its head. Pat Leonard, New York Daily News, 22 May 2026 Pastels match the optimism in the air—even when they’re done in small doses, like a flowery French tip or a lavender square nail, proving that even the tiniest manicure details can capture the magic of the season. Ariel Wodarcyk, InStyle, 22 May 2026 See All Example Sentences for optimism

Word History

Etymology

borrowed from French optimisme, from Latin optimum "the best, optimum" + French -isme -ism

First Known Use

1759, in the meaning defined at sense 1

Time Traveler
The first known use of optimism was in 1759

Browse Nearby Words

Cite this Entry

“Optimism.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/optimism. Accessed 27 May. 2026.

Kids Definition

optimism

noun
op·​ti·​mism ˈäp-tə-ˌmiz-əm How to pronounce optimism (audio)
: a habit of expecting everything to turn out for the best

Medical Definition

optimism

noun
op·​ti·​mism ˈäp-tə-ˌmiz-əm How to pronounce optimism (audio)
: an inclination to put the most favorable construction upon actions and events or to anticipate the best possible outcome
optimist noun
optimistic adjective

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