Repudiate

reject turn down refuse decline deny renounce abandon desert disown forsake discard dismiss cast off spurn revoke repeal rescind retract disavow disclaim recant defect default oust banish dishonor disapprove cut off be against break with turn dump cast reverse nix rat demur disinherit disacknowledge wash one’s hands of fly in the face of abjure reprobate tergiverse tergiversate apostasize flush