n. 25B6; noun (formal)
a serious abnegation of their responsibilities : RENUNCIATION, rejection, refusal, abandonment, abdication, surrender, relinquishment, repudiation, denial; formal abjuration.
people capable of abnegation and unselfishness : SELF-DENIAL, self-sacrifice, abstinence, temperance, continence, asceticism, abstemiousness, austerity.
acceptance, self-indulgence.