'abnegate' definitions:

Definition of 'abnegate'

(from WordNet)
verb
Deny oneself (something); restrain, especially from indulging in some pleasure; "She denied herself wine and spirits" [syn: deny, abnegate]
verb
Surrender (power or a position); "The King abnegated his power to the ministers"
verb
Deny or renounce; "They abnegated their gods"