sat·ur·na·lian \| ̷ ̷ ̷ ̷|nālyən, -lēən\adjective 1.usually capitalized: of or relating to the ancient Roman Saturnalia 2.often capitalized: characterized by unrestrained emotion or licentious indulgence : orgiastic < feast days with their … games and merrymakings and their generally Saturnalian aspect — Hutton Webster >