← BackshareGuessbacchanalian/ˌbɑkəˈneɪliən/adjectiveRelating to or involving wild, drunken parties or celebrations.His bacchanalian lifestyle worried his family.The bacchanalian feast left the guests exhausted but happy.The movie captures the bacchanalian spirit of Mardi Gras.SynonymsorgiasticdrunkenriotouswildAntonymssober