Meaning

• Covered with scales or scabs; hence, very coarse or rough.

  "After the incident with the gasoline, Noel’s burnt arm remained scabrous, and was susceptible to infections."

• Disgusting, repellent.

  "The novel was a flagrantly scabrous bodice-ripper, and Rachael was ashamed to read it in public."

• Of music, writing, etc.: lacking refinement; unmelodious, unmusical.

• Difficult, thorny, troublesome.

• Covered with a crust of dirt or grime.