1. (v. t.) To meet in the way of opposition; to oppose; to contradict; to obstruct\ the operation of; to defeat.

2. (v. t.) To violate; to nullify; to be inconsistent with; as, to contravene a law.

abjure breach break combat contradict cross disaffirm disclaim disown encroach exclude fight gainsay impugn infract infringe intrude negate negative offend oppose overstep reject repudiate resist spurn transgress traverse trespass