vt. 废弃, 否认, 取消

[法] 撤销以往的判决, 否认, 取消

Disaffirm \Dis`af*firm"\, v. t.
1. To assert the contrary of; to contradict; to deny; -- said
of that which has been asserted.

2. (Law) To refuse to confirm; to annul, as a judicial
decision, by a contrary judgment of a superior tribunal.