noun ac·me \ˈak-mē\

Definition of acme

  1. :  the highest point or stage the acme of his fame; also :  something or someone that represents perfection of the thing expressed a system that is the acme of efficiency

Examples of acme in a sentence

  1. His fame was at its acme.

  2. the acme of their basketball season was their hard-won victory over last year's state champs

Did You Know?

In Greek, acme meant a mountain peak, but in English we hardly ever use it in the physical sense. Instead we speak of someone's new job as the acme of her career, or of a certain leap as the acme of classical dance technique. In old Road Runner cartoons, the Acme Company is the provider of every ingenious device imaginable. But the word can't always be taken quite literally as a brand or company name; it's possible, for instance, that something called the Acme Bar & Grill may not be the absolutely highest and best example of a bar and grill. And don't confuse acme with acne, the skin disorder—even though both actually come from the same word.

Origin and Etymology of acme

Greek akmē point, highest point — more at edge

First Known Use: 1560

Synonym Discussion of acme

summit, peak, pinnacle, climax, apex, acme, culmination mean the highest point attained or attainable. summit implies the topmost level attainable. at the summit of the Victorian social scene peak suggests the highest among other high points. an artist working at the peak of her powers pinnacle suggests a dizzying and often insecure height. the pinnacle of worldly success climax implies the highest point in an ascending series. the war was the climax to a series of hostile actions apex implies the point where all ascending lines converge. the apex of Dutch culture acme implies a level of quality representing the perfection of a thing. a statue that was once deemed the acme of beauty culmination suggests the outcome of a growth or development representing an attained objective. the culmination of years of effort

ACME Defined for English Language Learners


noun ac·me \ˈak-mē\

Definition of acme for English Language Learners

  • : the highest point of something

Medical Dictionary


noun ac·me \ˈak-mē\

Medical Definition of acme

  1. :  the highest or most critical point or stage (as of growth or development)

Seen and Heard

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to cast off or become cast off

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