optimum C2+ Topic:Describing Qualities 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 Describing Qualities External links Google Images Cambridge Dictionary Wiktionary # 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 - Describing Qualities markdown