in·ter·ne·cine 
/ˌɪntɚˈnɛˌsi:n, Brit ˌɪntəˈni:ˌsaɪn/ adjective
always used before a noun /ˌɪntɚˈnɛˌsi:n, Brit ˌɪntəˈni:ˌsaɪn/ adjective formal : occurring between members of the same country, group, or organization
▪ a brutal internecine war/battle ▪ internecine feuds ▪ a political party that has suffered because of bitter internecine rivalries
▪ a brutal internecine war/battle ▪ internecine feuds ▪ a political party that has suffered because of bitter internecine rivalries
