I.a point, edge: proverb., ἐπὶ ξυροῦ ἀκμῆς on the rasor's edge (v. ξυρόν); ἀμφιδέξιοι ἀκμαί the fingers of both hands, Soph.; ποδοῖν ἀκμαί the toes, id=Soph.
II.the highest point of anything, the bloom, flower, prime, of man's age, Lat. flos aetatis, ἀκμὴ ἥβης id=Soph.; ἀκμὴ βίου Xen.; ἐν ἀκμῆι εἶναι ῀ἀκμάζειν, Plat.; ἀκμὴν ἔχειν, of corn, to be ripe, Thuc.; also of time, ἀ. ἦρος the spring-prime, Pind.; ἀ. θέρους mid-summer, Xen.; ἀ. τῆς δόξης Thuc.; periphr. like βία, ἀκμὴ Θησειδᾶν Soph.
III.like καιρός, the best, most fitting time, Trag.; ἔργων, λόγων ἀκμή the time for doing, speaking, Soph.; ἀκμή ἐστι, c. inf., 'tis high time to do, Aesch.; ἐπ᾽ ἀκμῆς εἶναι, c. inf., to be on the point of doing, Eur.; ἐπ᾽ αὐτὴν ἥκει τὴν ἀκμήν 'tis come to the critical time, Dem.
2.yet, still, Theocr., NTest.
