optimism
noun
op·ti·mism
ˈäp-tə-ˌmi-zəm 
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
The jump came amid fresh investor optimism over Alphabet’s progress in artificial intelligence, with multiple new AI features and enterprise tools announced in recent weeks.
—
Benzinga, Freep.com, 29 Nov. 2025
Sri Lanka, too, has been badly hit and while officials in Southeast Asia voiced optimism that rainfall would lessen in the coming days, authorities in Colombo warned that a cyclone lashing the country was expected to keep moving along its coast today.
—Prashant Rao, semafor.com, 28 Nov. 2025
In any event, Luna is challenging the sun Sagittarius’ optimism and innate spontaneity.
—Valerie Mesa, PEOPLE, 28 Nov. 2025
Although this study was only done in mice and required some radiation, which could be limiting in future research, the experts shared their optimism that the treatment could eventually be applied to humans.
—Angelica Stabile, FOXNews.com, 28 Nov. 2025
See All Example Sentences for optimism
Examples are automatically compiled from online sources to
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Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
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Benzinga, Freep.com, 29 Nov. 2025
Sri Lanka, too, has been badly hit and while officials in Southeast Asia voiced optimism that rainfall would lessen in the coming days, authorities in Colombo warned that a cyclone lashing the country was expected to keep moving along its coast today.
—Prashant Rao, semafor.com, 28 Nov. 2025
In any event, Luna is challenging the sun Sagittarius’ optimism and innate spontaneity.
—Valerie Mesa, PEOPLE, 28 Nov. 2025
Although this study was only done in mice and required some radiation, which could be limiting in future research, the experts shared their optimism that the treatment could eventually be applied to humans.
—Angelica Stabile, FOXNews.com, 28 Nov. 2025
See All Example Sentences for optimism
Cite this Entry
“Optimism.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/optimism. Accessed 4 Dec. 2025.
Copy CitationKids Definition
optimism
noun
op·ti·mism
ˈäp-tə-ˌmiz-əm
: a habit of expecting everything to turn out for the best
Medical Definition
optimism
noun
op·ti·mism
ˈäp-tə-ˌmiz-əm
: an inclination to put the most favorable construction upon actions and events or to anticipate the best possible outcome
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