Crass

a.

1.

Gross; thick; dense; coarse; not elaborated or refined.

Adj.

1.

crass - (of persons) so unrefined as to be lacking in discrimination and sensibility

Boeotian, absolute, arrant, asinine, beef-brained, beef-witted, blockish, bovine, broad-bodied, bulky, bullnecked, chumpish, churlish, classical, cloddish, coarse, complete, consummate, corpulent, cowish, crude, decided, definitive, dense, doltish, downright, dullard, dumb, duncical, duncish, earthy, egregious, fat, flagrant, full, full-bodied, gaudy, glaring, gross, heavy, heavyset, ineducable, inelegant, intolerable, klutzy, loud, loutish, lumpish, massive, meretricious, oafish, obscene, opaque, out-and-out, outright, perfect, positive, precious, profound, pronounced, proper, rank, raw, regular, ribald, rough, rude, shattering, shocking, sottish, stark, stark-staring, stupid, superlative, surpassing, the veriest, thick, thick-bodied, thickset, thorough, thoroughgoing, three-dimensional, total, unbearable, unconscionable, uncouth, undeniable, unequivocal, unmitigated, unqualified, unrefined, unrelieved, unspoiled, unteachable, utter, viscous, vulgar, wrongheaded