con·tra·vene 
/ˌkɑ:ntrəˈvi:n/ verb
con·tra·venes; con·tra·vened; con·tra·ven·ing /ˌkɑ:ntrəˈvi:n/ verb [+ obj] formal : to fail to do what is required by (a law or rule) : violate
▪ The overcrowded dance club contravened safety regulations.
▪ The overcrowded dance club contravened safety regulations.
— con·tra·ven·tion /ˌkɑ:ntrəˈvɛnʃən/ noun, plural con·tra·ven·tions
[count] ▪ Plagiarism is a contravention of school policy. [noncount] ▪ He cut off trade with the country in contravention of their treaty. [=he cut off trade in a way that was not allowed by the treaty]
/ˌkɑ:ntrəˈvɛnʃən/ noun, plural con·tra·ven·tions [count] ▪ Plagiarism is a contravention of school policy. [noncount] ▪ He cut off trade with the country in contravention of their treaty. [=he cut off trade in a way that was not allowed by the treaty]
