The Collaborative International Dictionary of English v.0.48:

Accurse \Ac*curse"\, v. t. [OE. acursien, acorsien; pref. a +
   cursien to curse. See Curse.]
   To devote to destruction; to imprecate misery or evil upon;
   to curse; to execrate; to anathematize.
   [1913 Webster]

         And the city shall be accursed.          --Josh. vi.
                                                  17.
   [1913 Webster]

         Thro' you, my life will be accurst.      --Tennyson.
   [1913 Webster] Accursed

WordNet (r) 3.0 (2006):

accurse
    v 1: curse or declare to be evil or anathema or threaten with
         divine punishment [syn: accurse, execrate,
         anathemize, comminate, anathemise, anathematize,
         anathematise]