Definition of "acme" in English

noun

1. A high point: the highest point of any range, the most developed stage of any process, or the culmination of any field or historical period.

2. A paragon: a person or thing representing such a high point.

3. (rare) Full bloom or reproductive maturity.

4. (euphemistic) Sexual orgasm.

5. (medicine) Synonym of crisis, the decisive moment in the course of an illness.

6. Alternative letter-case form of Acme, particularly as a threading format.