Acmeist /ˈæk.mi.ɪst/adjective 1noun 1forms 6 adjective1 •Of or pertaining to Acmeism, a transient poetic school in Russia in the early 1900s.He was Acmeist in spades. — 1973 noun1 •An Acmeist poet, a member of the Acmeist school. formsAcmeists · acmeists · more Acmeist · more acmeist · most Acmeist · most acmeist