Synonyms: controvert, refute, rebut
Definition: prove to be false or incorrect
Similar words: confute, disprove
Definition: prove to be false
Usage: The physicist disproved his colleagues' theories
Synonyms: oppose, contradict, controvert
Definition: be resistant to
Usage: The board opposed his motion
Definition: overthrow by argument, evidence, or proof
Usage: The speaker refuted his opponent's arguments