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.

I mean, the reason to be optimistic is because humans are amazing problem-solving riddle crackers, right?

From The Wall Street Journal • May 7, 2026

"In a really optimistic scenario, you could probably make this 5mm thick," estimates Hoster.

From BBC • May 7, 2026

Pakistani Prime Minister Shehbaz Sharif, a key figure in initial talks held in Islamabad last month, was optimistic that Trump's "courageous leadership and timely announcement" could foster a deal.

From Barron's • May 6, 2026

Kemi Badenoch, the Conservative leader, is travelling around London by taxi today, dropping in on boroughs where the Tories feel optimistic about their prospects.

From BBC • May 5, 2026

Along with personal messages were rumors about the world outside, each more wildly optimistic than the last.

From "The Hiding Place" by Corrie ten Boom

Vocabulary lists containing optimistic

The SAT: Words to Capture Tone, List 1

Looking to grow your vocabulary? Check out this interactive, curated word list from our team of English language specialists at Vocabulary.com – one of over 17,000 lists we've built to help learners worldwide!

Positive Words to Describe a Person

Interested in learning more words like this one? Our team at Vocabulary.com has got you covered! You can review flashcards, quiz yourself, practice spelling, and more – and it's all completely free to use!

ACT Reading Test: Words to Capture Tone, List 1

Want to remember this word for good? Start your learning journey today with our library of interactive, themed word lists built by the experts at Vocabulary.com – we'll help you make the most of your study time!