1. A wild, drunken celebration or party; an orgy of eating, drinking, and merrymaking.
Usage: Usually plural or used as a mass noun; Often capitalized when referring to the ancient Roman festival of Bacchus

Examples

• The college students' weekend bacchanalia lasted until dawn.
• The festival turned into a bacchanalia of music, dancing, and excessive drinking.
• After winning the championship, the team engaged in a wild bacchanalia to celebrate.
• The ancient Romans celebrated the Bacchanalia in honor of the god Bacchus.
• The mansion's New Year's Eve party became a bacchanalia that shocked the neighbors.