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Definitions

optimistic

[op-tuh-mis-tik] / ˌɒp təˈmɪs tɪk /
ADJECTIVE
believing positively
Synonyms
STRONG
assured bright buoyant cheerful cheering confident encouraged expectant happy high hopeful hoping idealistic keeping the faith merry on cloud nine on top of world positive promising ray of sunshine rose-colored rosy sanguine sunny trusting utopian
Antonyms
STRONG
dejected depressed doubtful gloomy hopeless pessimistic sorrowful

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.

“We remain optimistic that Tesla will be able to demonstrate improvements in this area of their robotaxi operations,” said Percoco, who rates Tesla at equal-weight with a $415 price target.

From MarketWatch • Apr. 10, 2026

The International Monetary Fund is poised to lower its global economic growth projections even if its most optimistic scenario for the Iran war pans out, IMF Managing Director Kristalina Georgieva said on Thursday.

From Barron's • Apr. 9, 2026

El Gohari is optimistic about attitudes to endometriosis changing but said he still believes symptoms are being ignored.

From BBC • Apr. 8, 2026

Defense Secretary Pete Hegseth was equally optimistic about the deal in a Pentagon briefing Wednesday.

From Salon • Apr. 8, 2026

He’s got my father’s soft eyes and optimistic spirit, my mother’s implacability.

From "Becoming" by Michelle Obama