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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.

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

Muse is also optimistic about Sandisk stock’s future.

From Barron's • Apr. 9, 2026

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

From Salon • Apr. 8, 2026

The group says expectations for the year ahead continue to be cautiously optimistic, with 20% of respondents anticipating improved financial performance, compared with 18% expecting worse financial performance over the next 12 months.

From The Wall Street Journal • Apr. 8, 2026

But time proved Mrs. Weston a bit too optimistic.

From "I, Robot" by Isaac Asimov