optimum

American  

[op-tuh-muhm] / ˈɒp tə məm /

noun

plural

optima, optimums

1. the best or most favorable point, degree, amount, etc., as of temperature, light, and moisture for the growth or reproduction of an organism.

2. the greatest degree or best result obtained or obtainable under specific conditions.

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adjective

1. most favorable or desirable; best.

   optimum conditions.

   Synonyms:

   optimal, perfect, ideal

optimum British  

/ ˈɒptɪməm /

noun

1. a condition, degree, amount or compromise that produces the best possible result

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adjective

1. most favourable or advantageous; best

   optimum conditions

Etymology

Origin of optimum

First recorded in 1875–80; from Latin: noun use of neuter of optimus “best,” superlative of bonus “good”

Compare meaning

How does optimum compare to similar and commonly confused words? Explore the most common comparisons:

• optimum vs. optimal

Example Sentences

Much of the energy management will be controlled by on-board computers, but there will be a crucial amount left to the drivers to use in racing and for optimum lap time.

From BBC

So drivers will have to make choices about when to expend energy at various points on a lap for optimum racing.

From BBC

The research also found six hours of moderate activity or three hours of vigorous exercise was the optimum amount of exercise each week, after which the benefits levelled off.

From BBC

“It doesn’t operate at the optimum performance that was originally modeled, but it still generates electricity for 120,000 homes in California,” Hogan said.

From Los Angeles Times

We should be able to ensure that we can access the optimum crudes for our economy.

From Barron's