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Added 9 October 2026

optimum

/ˈɑptɪməm/ noun

Latin root: optimus Wiktionary

noun Definition from Wiktionary (CC BY-SA). Pronunciation from Wiktionary, via Kaikki.org. More about optimum at Wordnik → Where our words come from →

The best or most favorable condition, or the greatest amount or degree possible under specific sets of comparable circumstances.
Any long period of time marked by a persistently warm climate; a climatic optimum.

adjective

The best or most advantageous; surpassing all others.
optimum conditions for climbing

Origin

From New Latin, neuter of Latin optimus (“best, very good”), from the root in ops (“work”) or omnis (“all”).

From Wiktionary, via Kaikki.org (CC BY-SA)

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