Con·tra·vene v. t. [imp. & p. p. Contravened p. pr. & vb. n. Contravening.]
1. To meet in the way of opposition; to come into conflict with; to oppose; to contradict; to obstruct the operation of; to defeat.
So plain a proposition . . . was not likely to be contravened. --Southey.
2. To violate; to nullify; to be inconsistent with; as, to contravene a law.
Laws that place the subjects in such a state contravene the first principles of the compact of authority. --Johnson.
Syn: -- To contradict; set aside; nullify; defeat; cross; obstruct; baffle; thwart.