contradict

contradict (http://definr.com/contradict)

     v 1: be in contradiction with [syn: belie, negate]
     2: deny the truth of [syn: negate, contravene]
     3: be resistant to; "The board opposed his motion." [syn: oppose,
         controvert]
     4: prove negative; show to be false [syn: negate] [ant: confirm]