a. Of or pertaining to the festival of Bacchus; relating to or given to reveling and drunkenness. [ 1913 Webster ]
Even bacchanalian madness has its charms. Cowper. [ 1913 Webster ]
n. A bacchanal; a drunken reveler. [ 1913 Webster ]
n. The practice of bacchanalians; bacchanals; drunken revelry. [ 1913 Webster ]