REPUDIATE

[verb] [T] [formal] - to refuse to accept (something or someone) as true, good or reasonable; to deny or rejectHe repudiated the allegation/charge/claim that he had tried to deceive them.He used his position to repudiate the policies/views of the leadership.The demand was for the group to repudiate and renounce terrorism.I utterly repudiate those remarks.They agreed it was not in their interest to repudiate the treaty. [T]