Definition of "bacchanal"

bacchanal

/ˈbækənəl/

adjective
comparative more bacchanal, superlative most bacchanal
1. Relating to Bacchus or his festival.
  Quotations
  Sweet is the vintage, when the showering grapes / In Bacchanal profusion reel to earth, / Purple and gushing […]
  1819 July 15, [Lord Byron], Don Juan, London: […] Thomas Davison, […], canto I, (please specify the stanza number)
2. Engaged in drunken revels; drunken and riotous or noisy.
noun
plural bacchanals
1. A devotee of Bacchus.
2. Someone who indulges in drunken partying; someone noisy and riotous when intoxicated.
  Quotations
  The riot of the tipsie Bachanals
  c. 1595–1596 (date written), William Shakespeare, “A Midsommer Nights Dreame”, in Mr. William Shakespeares Comedies, Histories, & Tragedies: Published According to the True Originall Copies (First Folio), London: […] Isaac Iaggard, and Ed[ward] Blount, published 1623, (please specify the act number in uppercase Roman numerals, and the scene number in lowercase Roman numerals)
3. (in the plural) The festival of Bacchus; the bacchanalia.
4. Drunken revelry; an orgy.
5. A song or a dance in honor of Bacchus.
6. (Trinidad and Tobago, informal) drama, ruckus, fiasco