IPA: /ˌkɒntrəˈviːn/
KK: /kɒntrəˈviːn/
To go against or violate a rule, law, or order.
The company was fined for contravening safety regulations.
Past: contravened
Past Participle: contravened
Contravene is formed from "contra-" (meaning against) and "venire" (meaning to come). The word describes the act of coming against or violating a rule or law.
Think of 'against' ('contra-') and 'coming' ('venire') to remember that contravene means to go against a rule or law.