op·​ti·​mal | \ ˈäp-tə-məl How to pronounce optimal (audio) \

Definition of optimal

: most desirable or satisfactory : optimum the optimal use of class time the optimal dosage of medication for a patient conditions for optimal development

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Other Words from optimal

optimality \ ˌäp-​tə-​ˈma-​lə-​tē How to pronounce optimality (audio) \ noun
optimally \ ˈäp-​tə-​mə-​lē How to pronounce optimally (audio) \ adverb

Examples of optimal in a Sentence

He keeps his engine tuned for optimal performance. Under optimal conditions, these plants grow quite tall.

Recent Examples on the Web

Bottom line: a zero carb diet is not necessary or recommended for either long-term weight loss or optimal health. Cynthia Sass, Mph, Health.com, "The Zero Carb Diet May Be a Simple Way to Lose Weight—But Is It Safe?," 8 July 2019 In the 2017 attempt, Nike set aside a few days in case of less-than-optimal weather conditions. Chris Chavez, SI.com, "Eliud Kipchoge to Attempt Sub-Two-Hour Marathon in Vienna in October," 27 June 2019 Each of these coolers kept ice as long as the manufacturers claimed, in optimal conditions, filled with ice. Bradley Ford, Popular Mechanics, "The Best Soft Coolers for Any Outing," 25 June 2019 There are numerous facets to supporting optimal gut health. Steven Macari, Harper's BAZAAR, "The 9 Best Natural Remedies for Seasonal Allergies," 15 May 2019 Vitamins for your hair, nails and skin are a good for maintaining optimal lash health, with or without a set of extensions. Roxanne Adamiyatt, Town & Country, "Every Question You've Ever Had About Lash Extensions Answered," 4 Feb. 2019 But by engaging in healthy habits earlier in your relationship, couples can potentially prevent these problems while also building a strong foundation for optimal health and wellness. Fox News, "Here's how much weight Americans gain after settling into a relationship," 24 Sep. 2018 So how much sleep do middle-aged and older adults really need for optimal health? Markham Heid, Time, "Do You Really Need Less Sleep As You Age?," 12 July 2018 To help team members achieve optimal health and wellness, the company has a formal Wellness Program. azcentral, "Top Companies to Work for in Arizona-Medium Companies," 7 June 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'optimal.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of optimal

1890, in the meaning defined above

History and Etymology for optimal

optim(um) + -al entry 1

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Statistics for optimal

Last Updated

12 Jul 2019

Look-up Popularity

Time Traveler for optimal

The first known use of optimal was in 1890

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More Definitions for optimal



English Language Learners Definition of optimal

formal : best or most effective


op·​ti·​mal | \ ˈäp-tə-məl How to pronounce optimal (audio) \

Medical Definition of optimal

: most desirable or satisfactory : optimum optimal concentrations of a drug

Other Words from optimal

optimality \ ˌäp-​tə-​ˈmal-​ət-​ē How to pronounce optimality (audio) \ noun, plural optimalities
optimally \ -​mə-​lē How to pronounce optimally (audio) \ adverb

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More from Merriam-Webster on optimal

Spanish Central: Translation of optimal

Nglish: Translation of optimal for Spanish Speakers

Britannica English: Translation of optimal for Arabic Speakers

Comments on optimal

What made you want to look up optimal? Please tell us where you read or heard it (including the quote, if possible).


characterized by aphorism

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