controvert Synonyms

rebut refute contradict oppose opposing oppugn pamphleteer pettifog question opposed non falsify fight gainsaying gainsay impugn invalidate litigate negative argue against redargue disconfirm call into question polemize polemise polemicize polemicise negate wrangle withsay traverse squabble spiritualize retroact resist repudiate evert dispute contravene contradicting contradicted contest contend consider confute confound challenge canvass break brangle