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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.

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

From Salon • Apr. 8, 2026

“While producers are feeling more optimistic about the future, there’s still a noticeable gap between short-term challenges and long-term confidence,” says Michael Langemeier, director of Purdue’s Center for Commercial Agriculture.

From The Wall Street Journal • Apr. 8, 2026

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

From BBC • Apr. 8, 2026

Jordan says she remains optimistic about the future.

From Barron's • Apr. 7, 2026

Poppy had always been the more popular of the two of them: cheerful and optimistic to Seven’s anxious determination.

From "Witchlings" by Claribel A. Ortega