Optimum

7 lettersnounmoderate

Updated February 2026

Definition

The most favourable conditions or level for growth, reproduction, or success. The point at which something is most effective or functions best.

“The greenhouse maintains optimum temperature and humidity levels for plant growth.”

🟩

Contains -UM ending; four vowels O-I-U

🔤

13 points; good vowel distribution with double M

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