Synonyms for Scabrous (same or very similar meaning)
WordNet sense 1 (rough to the touch; covered with scales or scurf):
scaly, scurfy, lepidote, leproseWordNet sense 2 (having or caused by an irregular surface):
rough, unsmoothWordNet sense 3 ((of behavior or especially language) characterized by obscenity or indecency):
dirtyFrom the ODE community, based on WordNetadd/edit