The Collaborative International Dictionary of English v.0.48:
Nevermore \Nev"er*more`\, adv. Never again; at no time hereafter. --Testament of Love. Tyndale. [1913 Webster] Where springtime of the Hesperides Begins, but endeth nevermore. --Longfellow. [1913 Webster]WordNet (r) 3.0 (2006):
nevermore adv 1: at no time hereafter; "Quoth the raven, nevermore!" -E.A.Poe [syn: nevermore, never again]