optimism

[op-tuh-miz-uhm] / ˈɒp təˌmɪz əm /

NOUN

state of having positive beliefs

Synonyms

STRONGEST

anticipation certainty confidence elation enthusiasm expectation happiness idealism trust

STRONG

assurance brightness buoyancy calmness cheer cheerfulness easiness encouragement exhilaration hopefulness positivism sanguineness sureness

WEAK

good cheer looking on bright side rose-colored glasses

Antonyms

STRONGEST

depression distrust doubt fear sadness sorrow uncertainty unhappiness

STRONG

discouragement gloom

WEAK

hopelessness pessimism

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Gold futures were on track for another weekly gain, as optimism over potential U.S.-Iran talks and a cease-fire between Israel and Lebanon weighed on oil prices.

From The Wall Street Journal • Apr. 17, 2026

He didn’t want to overstate that finding, especially since about half of people reported being pessimistic about their future, but he hopes people can capitalize on that optimism.

From Los Angeles Times • Apr. 16, 2026

While AMD’s massive stock rally dovetails with general market momentum, there’s also particular optimism around AMD’s story.

From MarketWatch • Apr. 16, 2026

Lebanese President Joseph Aoun voiced cautious optimism, saying he hoped the negotiations would "mark the beginning of the end of the suffering of the Lebanese people."

From BBC • Apr. 15, 2026

Reynie decided not to look at Constance; his optimism had been spoiled enough.

From "The Mysterious Benedict Society" by Trenton Lee Stewart

Vocabulary lists containing optimism

Words for a New Year

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Power Suffix: -ism

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Starting Your New Life: Inspiring Words from Commencement Speeches

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