"bacchanalia" in the noun sense
1. Dionysia, Bacchanalia
an orgiastic festival in ancient Greece in honor of Dionysus (= Bacchus)
2. orgy, debauch, debauchery, saturnalia, riot, bacchanal, bacchanalia, drunken revelry
a wild gathering involving excessive drinking and promiscuity
Source: WordNet® (An amazing lexical database of English)
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