8 letters · 12 points in Scrabble
noun a person who has fallen into a decadent state (morally or artistically)
adjective marked by excessive self-indulgence and moral decay
originFrom French décadent, a back-formation from décadence (see -ent), from Medieval Latin dēcadentia, from Late Latin dēcadēns, present participle of dēcadō, dēcidō (“sink, fall; perish”), from Latin dē- + cadō (“fall”).
Etymology from Wiktionary, CC BY-SA 3.0