Abrasive \Ab*ra"sive\, a.
   Producing abrasion. --Ure.
   
[1913 Webster]
 Abraum

abrasive
     adj 1: causing abrasion [syn: {scratchy}]
     2: sharply disagreeable; rigorous; "the harsh facts of court
        delays"; "an abrasive character" [syn: {harsh}]
     n : a substance that abrades or wears down [syn: {abradant}, {abrasive  material}]

69 Moby Thesaurus words for "abrasive":
   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, filing,
   fretting, galling, garnet, gnawing, grazing, grinding, lawn-roller,
   limation, nail file, polish, polishes, polishing, pumice,
   pumice stone, rasp, rasping, roller, rottenstone, rouge,
   rubbing away, sandblasting, sanding, sandpaper, scouring, scrape,
   scraping, scratch, scratching, scrub, scrubbing, scuff, shining,
   shoe polish, silicon carbide, silver polish, sleeker, slicker,
   smooth, smoother, smoothing, wax, wear, wearing away