Optimal and optimum both mean “best or most effective,” as in “plants that grow tall under optimal conditions” and “for optimum results, let the paint dry overnight.” You may consider either …

Definition of optimal adjective in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

OPTIMAL definition: optimum. See examples of optimal used in a sentence.

optimal in American English (ˈɑptəməl ) adjective Origin: optimum + -al most favorable or desirable; best; optimum

OPTIMAL meaning: 1. best; most likely to bring success or advantage: 2. best; most likely to bring success or…. Learn more.

Optimal is defined as the most favorable, desirable, or effective condition or outcome under specific constraints or circumstances. It denotes the best possible solution or choice in a …

the most favorable point, degree, or amount of something for obtaining a certain result. best: optimum conditions for growth. n. the best or most favorable point, degree, amount, etc., as of …

Dec 30, 2025 · Adjective optimal (not comparable) The best, most favourable or desirable, especially under some restriction. Finding the optimal balance between features and price is a …

Under optimal conditions, these plants grow quite tall. Her plants were optimally placed to receive the greatest amount of light.

Something that's optimal is the best or most favorable for a given situation. Flowers? Check. Chocolates? Check. Dinner reservation? Check. Sounds like you have the optimal conditions …