| ignominious(adjective, vulgar) |
| ill-mannered(adjective, rough, rude, coarse, awkward) |
| impure(adjective, dull, rough, low, offensive) |
| inane(adjective, dull, weak, boring, dead) |
| incorrect(wrong, rude, suitable, improper, inappropriate) |
| indiscreet(adjective, offensive, vulgar, cheap, loud) |
| inferior(adjective, bad, offensive, rude, unpleasant) |
| innocuous(adjective, dull, weak, boring, dead) |
| jazzy(adjective, vulgar, brilliant, extravagant, loud) |
| kitschy(adjective, bright, vulgar, brilliant, extravagant) |
| lewd(adjective, dull, rough, low, offensive) |
| lousy(adjective, nasty, unpleasant, cheap, disagreeable) |
| lowbred(adjective, rough, offensive, rude, coarse) |
| lowbrow |
| makeshift(adjective, offensive, vulgar, cheap, loud) |
| mawkish(adjective, hard, old, sour, musty) |
| messy(cheap, gaudy, unsophisticated, inelegant, sticky) |
| milk-and-water(adjective, weak, plain, mild, boring) |
| milquetoast(adjective, boring, tedious, lifeless, stale) |
| naff |