Definition of acme noun from the Oxford Advanced Learner's Dictionary



BrE BrE//ˈækmi//
; NAmE NAmE//ˈækmi//
[usually singular] (formal)
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the highest stage of development or the most excellent example of something synonym height the acme of engineering achievement Word Originlate 16th cent.: from Greek akmē ‘highest point’. Until the 18th cent. it was often consciously used as a Greek word and written in Greek letters.
See the Oxford Advanced American Dictionary entry: acme