Human sciences, Mysticism, Mythology, Philosophy, SciencesGreek, Roman Of or pertaining to the festival of Bacchus, relating to or given to reveling and drunkenness.
Even Bacchanalian madness has its charms.1782, William Cowper, The Progress of Error:
2
Broadly Of or resembling wild or unrestrained revelry.
The dancing and shouting of the children around the fire had become even more bacchanalian.1949, George R. Stewart, Part II, Chapter 6, in Earth Abides:
Bacchanalian
noun
Etymology From Bacchanalia + -an.
1
A bacchanal; a drunken reveler.
With the help of a sleepy waiter, Little Billee got the bacchanalian into his room and lit his candle for him, and, disengaging himself from his maudlin embraces, left him to wallow in solitude.1894, George du Maurier, “Part Third”, in Trilby: A Novel, New York, N.Y.: Harper & Brothers, →OCLC, page 165: