optimum C2+ Topic:Mind & Cognition US /ˈɑptɪməm/ UK /ˈɒptɪməm/ See IPA manual Freq #31518 Meanings 1 adj most desirable possible under a restriction expressed or implied An optimum return on capital. 2 adj The best or most advantageous; surpassing all others. Optimum conditions for climbing. Thesaurus Synonyms 1 adj · most desirable possible... optimal 2 adj · the best or most... bestidealoptimal More pessimum Word family Derived forms suboptimum Related forms optimaloptimificoptimiseoptimismoptimistoptimisticoptimize Etymology From New Latin, neuter of Latin optimus (“best, very good”), from the root in ops (“work”) or omnis (“all”). Topics Mind & Cognition External links Cambridge Dictionary Wiktionary Google Images # optimum **Type:** Word **Level:** C2+ **Part of speech:** adj **IPA (US):** /ˈɑptɪməm/ **IPA (UK):** /ˈɒptɪməm/ **Frequency rank:** 31518 ## Meanings 1. most desirable possible under a restriction expressed or implied 2. The best or most advantageous; surpassing all others. ## Examples - An optimum return on capital. - Optimum conditions for climbing. ## Synonyms - pessimum - optimal - best - ideal ## Derived Forms - suboptimum ## Related Forms - optimal - optimific - optimise - optimism - optimist - optimistic - optimize ## Etymology From New Latin, neuter of Latin optimus (“best, very good”), from the root in ops (“work”) or omnis (“all”). ## Topics - Mind & Cognition markdown