Renounce (6)
'renounce' is the definition.
(I know that renounce can be written as disown)
This is all the clue.
(Other definitions for disown that I've seen before include "Disclaim all connection or relationship with" , "Refuse to have anything to do with" , "Repudiate, cast off" , "Repudiate - disinherit" , "Disclaim or deny" .)
'renounce' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for renege that I've seen before include "Go back on an obligation" , "Fail to carry out a commitment" , "Change one's mind" , "Fail to follow suit or fulfil a promise" , "Withdraw" .)