Bacchanalian is an adjective used to describe a wild and drunken celebration. The term is derived from the Roman god Bacchus, who was associated with wine and revelry. The crossword solutions for this term are orgiastic (9 letters), rgstc (5 letters), and TOPER (5 letters). Orgiastic is an adjective that describes a wild and unrestrained celebration, usually involving sexual activity. Rgstc is an acronym for 'revelry, gaiety, singing, theatre, and comedy, ' which are all activities associated with Bacchanalian celebrations. Lastly, TOPER is a noun that refers to someone who drinks alcohol excessively.