Entry 1 sense Webster, 1913 Contravention /känˌ-trəv-ĕn'-chən/ · Con·tra·ven·tion · IPA /ˌkɒntɹəˈvɛntʃən/ 01 n. The act of contravening; opposition; obstruction; transgression; violation. 1. The act of contravening; opposition; obstruction; transgression; violation. “Warrants in contravention of the acts of Parliament.” — Macaulay. “In contravention of all his marriage stipulations.” — Motley.