war ‧ ring /ˈwɔːrɪŋ/ BrE AmE adjective [only before noun]
[ Word Family: noun : ↑ war , ↑ warfare , ↑ warrior ; adjective : ↑ pre-war ≠ ↑ post-war , ↑ warring ]
at war or fighting each other
warring factions/parties (=groups of people fighting each other)