WordNet sense 1 (a substance that abrades or wears down):

abradant, abrasive material

WordNet sense 2 (causing abrasion):

scratchy

WordNet sense 3 (having or caused by an irregular surface):

rough, unsmooth

WordNet sense 4 (sharply disagreeable; rigorous):

harsh

WordNet sense 5 (not to your liking):

disagreeable