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
The Christmas remarks have been recorded in advance since 1960, allowing the message to be sent to Commonwealth countries for broadcast at an optimal local time.
—
Stephanie Petit, PEOPLE, 25 Dec. 2025
Steady hydration throughout the growing season supported optimal development of both the vines and the fruit.
—Jonah Flicker, Robb Report, 23 Dec. 2025
Drinking aloe vera juice with or after meals can ensure optimal absorption by your gut.
—Anna Giorgi, Verywell Health, 23 Dec. 2025
The National Sleep Foundation recommends setting your thermostat to between 60 and 67 degrees Fahrenheit at night for optimal sleep.
—Meghan Overdeep, Southern Living, 23 Dec. 2025
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Stephanie Petit, PEOPLE, 25 Dec. 2025
Steady hydration throughout the growing season supported optimal development of both the vines and the fruit.
—Jonah Flicker, Robb Report, 23 Dec. 2025
Drinking aloe vera juice with or after meals can ensure optimal absorption by your gut.
—Anna Giorgi, Verywell Health, 23 Dec. 2025
The National Sleep Foundation recommends setting your thermostat to between 60 and 67 degrees Fahrenheit at night for optimal sleep.
—Meghan Overdeep, Southern Living, 23 Dec. 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 28 Dec. 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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