optimal
adjective
op·ti·mal
ˈäp-tə-məl 
: most desirable or satisfactory : optimum
the optimal use of class time
the optimal dosage of medication for a patient
conditions for optimal development
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
Experts said the findings highlight just how vital nutrition is for optimal hair health.
—
Brian Mastroianni, Health, 5 Sep. 2025
After a major measles resurgence began in 1989, scientists moved to add a second dose of the MMR vaccine to bolster protection—but the American Academy of Pediatrics and the CDC’s vaccine-advisory panel disagreed on the optimal time to administer it.
—Katherine J. Wu, The Atlantic, 5 Sep. 2025
Customizing foam for optimal performance The researchers’ framework uses inputs like foam thickness, area, and material properties to produce a design map that maximizes energy absorption.
—Neetika Walter, Interesting Engineering, 4 Sep. 2025
That helps keep everything chugging along in optimal form.
—Erica Sloan, SELF, 4 Sep. 2025
See All Example Sentences for optimal
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Brian Mastroianni, Health, 5 Sep. 2025
After a major measles resurgence began in 1989, scientists moved to add a second dose of the MMR vaccine to bolster protection—but the American Academy of Pediatrics and the CDC’s vaccine-advisory panel disagreed on the optimal time to administer it.
—Katherine J. Wu, The Atlantic, 5 Sep. 2025
Customizing foam for optimal performance The researchers’ framework uses inputs like foam thickness, area, and material properties to produce a design map that maximizes energy absorption.
—Neetika Walter, Interesting Engineering, 4 Sep. 2025
That helps keep everything chugging along in optimal form.
—Erica Sloan, SELF, 4 Sep. 2025
See All Example Sentences for optimal
Cite this Entry
“Optimal.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/optimal. Accessed 9 Sep. 2025.
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Medical Definition
optimal
adjective
op·ti·mal
ˈäp-tə-məl
: most desirable or satisfactory : optimum
optimal concentrations of a drug
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