The past tense of Rebut is rebutted.
verb. ['rɪˈbʌt, riːˈbʌt'] overthrow by argument, evidence, or proof.
1. Verb, base form If the CO status is denied, you have the chance to rebut.
verb. ['rɪˈbʌt, riːˈbʌt'] prove to be false or incorrect.