optimum

Estimated CEFR level: C2 — Proficiency

Estimated from word frequency; not an official CEFR classification.

Definition

  1. noun most favorable conditions or greatest degree or amount possible under given circumstances
  2. adjective most desirable possible under a restriction expressed or implied

Etymology

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

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