bacchanal

(noun) someone who engages in drinking bouts. Synonyms: drunken reveler, drunken reveller, bacchant.

(noun) a drunken reveller; a devotee of Bacchus. Synonyms: bacchant.

(noun) a wild gathering involving excessive drinking and promiscuity. Synonyms: orgy, debauch, debauchery, saturnalia, riot, bacchanalia, drunken revelry.

(adj) used of riotously drunken merrymaking. Synonyms: bacchanalian, bacchic, carousing, orgiastic. Examples: "A night of bacchanalian revelry." "Carousing bands of drunken soldiers." "Orgiastic festivity."