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Definition of optimistic

optimistic

/ˌɑːp.tɪˈmɪs.tɪk/
op · ti · mis · tic
Adverb:optimistically
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optimistic Lexical Profile

optimistic Game Scores & Validity

• adjective

1

Hopeful and confident about the future or the successful outcome of something; disposed to take a favorable view of events or conditions.

Example

"The research team remains optimistic that the clinical trials will yield promising results by the end of the year."

2

Based on an overly favorable or unrealistic assessment of a situation, estimate, or timeline.

Example

"Completing the entire renovation before Friday seems overly optimistic given the current supply delays."

Synonyms
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Antonyms
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• Rhymes for optimistic

• Nearby Words

optimally
optimism
optimist
optimistic
optimistically
optimization
optimize

Word Origin & Etymology

Coined in the mid-19th century from the noun 'optimist' plus '-ic', ultimately tracing back to the Latin superlative 'optimus' ('best'). The philosophical concept originated with Gottfried Wilhelm Leibniz's doctrine that we live in the 'best of all possible worlds.'

Cite this Entry

Wordmom. (2026). Definition of Optimistic. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/optimistic
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