adjective

• Covered with scales or scabs; hence, very coarse or rough.
• (figurative) Disgusting, repellent.
• (figurative) Salacious, scandalous; concerning oneself with lurid or lascivious substance.
• (figurative) Of music, writing, etc.: lacking refinement; unmelodious, unmusical.
• (figurative) Difficult, thorny, troublesome.
• (figurative, chiefly US) Covered with a crust of dirt or grime.
• (biology) Having scabers.