Source : Webster's Revised Unabridged Dictionary (1913)

Bacchic \Bac"chic\, Bacchical \Bac"chic*al\, a. [L. Bacchicus,
   Gr. ?]
   Of or relating to Bacchus; hence, jovial, or riotous,with
   intoxication.

Source : WordNet®

bacchic
     adj : used of riotously drunken merrymaking; "a night of
           bacchanalian revelry"; "carousing bands of drunken
           soldiers"; "orgiastic festivity" [syn: {bacchanalian},
           {bacchanal}, {carousing}, {orgiastic}]