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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.

Starmer's advisers remain reasonably optimistic about the leaders' ability to work together: "They still have a relationship. It's in both countries' interests to work together", a source said.

From BBC • Apr. 10, 2026

Cooper is skeptical Europe can deliver the 9% earnings growth consensus expects, and believes analysts are too optimistic about the knock-on effects of the crisis to growth assumptions.

From MarketWatch • Apr. 10, 2026

O'Leary said there is also a generational element in the optimistic audience numbers.

From Barron's • Apr. 10, 2026

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

From Salon • Apr. 8, 2026

But then all sorts of troubling questions began to creep into the usually optimistic young governess’s mind.

From "The Unseen Guest" by Maryrose Wood