| hideous(adjective, offensive, rude, common, stupid) |
| homely(adjective, simple, common, usual, unsophisticated) |
| ignominious(adjective, vulgar) |
| illiterate(ignorant, untaught, unschooled) |
| in the rough(expression, idiom) |
| inappropriate(rude, indecent, uncouth, unbecoming, unseemly) |
| incorrect(rude, inappropriate, indecent, unbecoming, unseemly) |
| inferior(adjective, mean, bad, lower, obscure) |
| insensitive(dull, rough, rude, vulgar, thoughtless) |
| insignificant(adjective, mean, simple, lower, obscure) |
| klutzy(adjective, awkward, clumsy, inelegant, graceless) |
| lascivious |
| low-class(adjective, rough, coarse, vulgar, ill-mannered) |
| low class |
| lubberly |
| lusty(adjective, simple, unsophisticated, unpretentious, funky) |
| maladroit(adjective, clumsy, inelegant, graceless) |
| mixed(adjective, unclean, polluted, tainted, contaminated) |
| nasty(adjective, mean, bad, hard, rough) |
| neanderthal |