transitive verb Date: 1630 to refuse to acknowledge as one's own, 2. to repudiate any connection or identification with, to deny the validity or authority of, ~ment noun
DISOWN
Meaning of DISOWN in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012