1. (verb)conflict, run afoul, infringe, contravene go against, as of rules and laws Synonyms: infringe, conflict, encroach, run afoul, contravene, impinge, negate, contradict
2. (verb)contradict, negate, contravene deny the truth of Synonyms: neutralise, infringe, oppose, nullify, conflict, neutralize, run afoul, contravene, belie, negate, controvert, contradict