Disown

Part of speech: verb (v.)

1. To refuse to own or acknowledge as belonging to one's self; to disavow or deny, as connected with one's self personally; as, a parent can hardly disown his child; an author will sometimes disown his writings.

2. To refuse to acknowledge or allow; to deny. Then they, who brother's better claim disown, Expel their parents, and usurp the throne. Dryden.

Synonyms: disavow; disclaim; deny; abnegate; renounce; disallow.