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
Levine said it wasn’t brought to court because his lawyers were waiting for a strategically optimal time to introduce it.
—
Jack Harvel, Kansas City Star, 11 June 2026
Larger clinical trials are needed to confirm the findings, determine how long treatment effects last and establish optimal dosing and treatment duration both for people with HIV and the broader population.
—Ashley MacKin Solomon, San Diego Union-Tribune, 9 June 2026
The displacement hull, developed with input from Emirates Team New Zealand’s America’s Cup team, has also been engineered for optimal hydrogeneration and speed.
—Rachel Cormack, Robb Report, 9 June 2026
Breathable, or at least lighter, fabrics like natural silk and chiffon are optimal for warm weather, while denser fabrics like heavy satin, brocade, and velvet are well-suited to fall and winter weddings.
—Alexandra Malmed, InStyle, 9 June 2026
See All Example Sentences for optimal
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Jack Harvel, Kansas City Star, 11 June 2026
Larger clinical trials are needed to confirm the findings, determine how long treatment effects last and establish optimal dosing and treatment duration both for people with HIV and the broader population.
—Ashley MacKin Solomon, San Diego Union-Tribune, 9 June 2026
The displacement hull, developed with input from Emirates Team New Zealand’s America’s Cup team, has also been engineered for optimal hydrogeneration and speed.
—Rachel Cormack, Robb Report, 9 June 2026
Breathable, or at least lighter, fabrics like natural silk and chiffon are optimal for warm weather, while denser fabrics like heavy satin, brocade, and velvet are well-suited to fall and winter weddings.
—Alexandra Malmed, InStyle, 9 June 2026
See All Example Sentences for optimal
Cite this Entry
“Optimal.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/optimal. Accessed 14 Jun. 2026.
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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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