| rudimentary(adjective, natural, unrefined) |
| abrupt(adjective, rude, short, impolite, brief) |
| crude oil(noun, expression, idiom, petroleum) |
| discourteous(adjective, hard, sharp, rough, harsh) |
| gauche(adjective, rough, inept, unsophisticated, bulky) |
| glitzy |
| homespun(adjective, natural, vulgar, unrefined, spun) |
| ignorant(adjective, dull, simple, rough, low) |
| indecorous(adjective, bad, hard, rough, offensive) |
| oil(noun, oil) |
| repulsive(adjective, bad, offensive, rude, common) |
| rock oil(noun, expression, idiom) |
| trashy |
| undignified(adjective, mean, rough, rude, base) |
| unprepared(adjective, simple, rough, coarse, natural) |
| unseemly(adjective, dull, taste, rough, low) |
| artless(adjective, simple, coarse, natural, straightforward) |
| bad(adjective, weak, offensive, rude, common) |
| base(adjective, mean, bad, weak, rough) |
| brutal(adjective, rough, harsh, rude, violent) |