Disown (4)
'disown' is the definition.
(I know that disown can be written as repudiate)
This is the entire clue.
(Other definitions for repudiate that I've seen before include "Refuse to be associated with" , "Deny the truth of (something)" , "Reject and refuse to acknowledge" , "Denounce" , "Refuse to accept" .)
'disown' is the definition.
(I know that disown is a kind of deny)
This is all the clue.
(Other definitions for deny that I've seen before include "Reject as true" , "Declare not to be true" , "Disclaim" , "Forbid; contradict" , "Contradict, refuse" .)