optimum

/ˈɒptɪməm/

Misollar

Tom writes in Esperanto for optimum expressiveness.
Finding the optimum for a numerical function can be an important challenge.

ot noun

The best or most favorable condition, or the greatest amount or degree possible under specific sets of comparable circumstances.

sifat adjective

The best or most advantageous; surpassing all others.

Manbalar: Wiktionary (Free Dictionary API orqali), Datamuse, Tatoeba (CC BY 2.0 FR), MyMemory.