Scabrous

Latin scabrosus, same root as scab.

Full definition of scabrous

covered with scales or scabs, or otherwise extremely rough After the incident with the gasoline, Noel's burnt arm remained scabrous, and was susceptible to infections.
having indecent sexual content or connotation, rough The novel was a flagrantly scabrous bodice-ripper, and Rachael was ashamed to read it in public.
(figurative) harsh; unmusical