| inimical(unpleasant, negative, adverse, unfortunate, disturbing) |
| interrupting(pushy, meddling, intrusive) |
| intractable(adjective, tough, unpleasant, grim, adverse) |
| invidious |
| involved(adjective, hard, fancy, difficult, complex) |
| maddening |
| messy(adjective, unpleasant, horrible, disagreeable, dreadful) |
| mortifying(pain, awkward, uneasy, uncomfortable) |
| murder(adjective, hard, tough, rough, difficult) |
| nagging(adjective, hard, tough, difficult, painful) |
| nasty(adjective, bad, hard, rough, rude) |
| not easy(expression, idiom, difficulty) |
| obnoxious(verb, adjective, person, bad, nasty) |
| obstructive(pushy, meddling, intrusive) |
| opposed(negative, critical, disapproving, disparaging, hurtful) |
| perilous(adjective, adverse) |
| pestilent(adjective, dangerous) |
| ponderous(adjective, heavy, cumbersome) |
| rankling(adjective, aggravating) |
| repressive(adjective, bothersome, worrisome) |