REPUDIATE

to refuse to have anything to do with

disown

cast off
SYN - disown, renounce
"The parents repudiated their son"

refuse to acknowledge, ratify, or recognize as valid
"The woman repudiated the divorce settlement."

refuse to recognize or pay
"repudiate a debt"

reject as untrue, unfounded, or unjust
"she repudiated the accusations"

"She had hoped to repudiate their entire relationship."

"They repudiated the actions of their son and claimed it was not their fault."

"I repudiated the group i was in after I learned of their anti-semitic beliefs."