Thesaurus

abrasive, agrestic, alligatored, artless, bad, barky, base, boorish, bouldered, bouldery, bounderish, broken, bullate, bum, bumpy, bush, bush-league, chapped, cheap, cheapjack, cheesy, chintzy, coarse, coarse-grained, coarse-textured, coarsened, commercial, common, corded, costate, cracked, cragged, craggy, crass, crude, crummy, crushed, deplorable, dirty, earthy, execrable, farinaceous, flimsy, grainy, granular, granulated, granulose, gritty, gross, harsh, hilly, Hollywood, homespun, ill-bred, imbricate, imbricated, improper, indecent, indecorous, indelicate, inelegant, inferior, irregular, large-grained, lepidote, leprose, less, lined, loose, loutish, low, low-grade, lowbred, mealy, mediocre, miserable, mountainous, neandertal, neanderthal, nonslippery, nubbly, nubby, oafish, obscene, open, plush-like, plushy, pocked, pockmarked, potholed, punk, ribbed, robust, rocky, ropey, ropy, rough, rough-cut, rough-spoken, rough-textured, roughened, roughish, rude, rugged, rugose, sandpapery, saw-like, scabby, scabrous, scaly, scratchy, scrawny, scrubby, scurfy, seamed, second-class, second-rate, shagged, shaggy, shoddy, sleazy, slubbed, squamulose, stony, stunted, swinish, tawdry, textured, third-rate, tinny, tweedy, twilled, uncouth, uncultivated, uncultured, underbred, uneven, unfastidious, ungentlemanlike, ungentlemanly, ungracious, unironed, unladylike, unpolished, unrefined, unsmooth, utility, utility-grade, verrucose, vulgar, wartlike, warty, woeful, worst, wretched, wrinkled, yokelish

coarse is a ADJ.