Source : Webster's Revised Unabridged Dictionary (1913)

Abnegate \Ab"ne*gate\, v. t. [imp. & p. p. {Abnegated}; p. pr. &
   vb. n. {Abnegating}.] [L. abnegatus,p. p. of abnegare; ab +
   negare to deny. See {Deny}.]
   To deny and reject; to abjure. --Sir E. Sandys. Farrar.