[n] a substance that abrades or wears down [adj] sharply disagreeable; rigorous; "the harsh facts of court delays"; "an abrasive character" [adj] causing abrasion
abradant, abrasive material, disagreeable, harsh, rough, scratchy, unsmooth
ablation, ablative, abradant, abrasion, aluminum oxide, attrition, attritive, auto polish, buffing, burnish, burnishing, chafe, chafing, colcothar, corundum, crocus, detrition, dressing, emery, emery board, emery paper, erasure, erosion, erosive, file, fi