- (transitive) To act contrary to an order, or fail to conform to a regulation.
2012 May 24, Adam Gabbatt, “Canada student protests erupt into political crisis with mass arrests”, in the Guardian:
- Some legal experts argue that the bill contravenes Canada's charter of rights and freedoms. Montreal constitutional lawyer Julius Grey told the Vancouver Sun that Bill 78 was "flagrantly unconstitutional".
- (transitive) To deny the truth of something.
to act contrary to an order, or fail to conform