Abnegate is a verb that means to renounce or reject something, usually related to one's beliefs or desires. Some synonyms for the word abnegate include relinquish, surrender, sacrifice, give up, forego, waive, and forswear. Other related words that are similar in meaning to abnegate include reject, deny, refuse, abstain, and disavow. These words all convey a sense of letting go or refusing to pursue something that one might otherwise want or desire. Whether through personal conviction, moral principle, or simply practical considerations, the decision to abnegate something can be a difficult one, but it can also be freeing and ultimately rewarding in its own way.