Bacchanalian

Bac`cha*na"li*an, a.

Defn: Of or pertaining to the festival of Bacchus; relating to or given to reveling and drunkenness. Even bacchanalian madness has its charms. Cowper.

Bac`cha*na"li*an, n.

Defn: A bacchanal; a drunken reveler.