Source : Webster's Revised Unabridged Dictionary (1913)

Nevermore \Nev"er*more`\, adv.
   Never again; at no time hereafter. --Testament of Love.
   Tyndale.

         Where springtime of the Hesperides Begins, but endeth
         nevermore.                               --Longfellow.

Source : WordNet®

nevermore
     adv : at no time hereafter; "Quoth the raven, nevermore!" -E.A.Poe
           [syn: {never again}]