optimistic.
Expecting the best in all possible ways.
Meaning & usage
Expecting the best in all possible ways.
in an optimistic mood
optimistic plans
Allowing other processes to perform transactions on the same data at the same time, and checking for conflicts only when changes need to be written back.
optimistic concurrency
optimistic locking
Where this word comes from
Etymology tree Proto-Indo-European *h₁ep-der. Proto-Indo-European *h₁épsder. Proto-Indo-European *h₁épi Proto-Indo-European *-tm̥mos ? Latin optimus Proto-Indo-European *-id- Proto-Indo-European *-yéti Proto-Indo-European *-idyéti Proto-Hellenic *-íd͏̌d͏̌ō Ancient Greek -ῐ́ζω (-ĭ́zō) Proto-Indo-European *-mos Proto-Indo-European *-mós Ancient Greek -μός (-mós) Ancient Greek -ῐσμός (-ĭsmós)bor. Latin -ismusbor. French -isme French optim(isme) ▲ Ancient Greek -ῐ́ζω (-ĭ́zō) Proto-Hellenic *-tās Ancient Greek -τής (-tḗs) Ancient Greek -ῐστής (-ĭstḗs)bor. Latin -istabor. French -iste French optimistebor. English optimist Proto-Indo-European *-ikos Proto-Italic *-ikos Latin -icuslbor. Old French -iquebor. Middle English -ik English -ic English optimistic From optimist + -ic.
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.