| problematical(adjective, hard, difficult, delicate, loose) |
| sensitive(tender, awkward, raw, burning, uneasy) |
| tragic(adjective, adverse) |
| treacherous(adjective, hard, severe, evil, rough) |
| unfriendly(adjective, hard, evil, rough, nasty) |
| unwelcome(verb, person, feelings, emotions) |
| unwieldy |
| wearing(adjective, hard, tough, rough, difficult) |
| wearying(adjective, tough, rough, difficult, heavy) |
| woeful(adjective, painful, adverse) |
| acute(adjective, painful) |
| antagonistic(negative, critical, disapproving, disparaging, hurtful) |
| antagonizing(adjective, aggravating) |
| antipathetic(adjective, adverse) |
| backbreaking(adjective, hard, rough, difficult, harsh) |
| calamitous(adjective, awful, terrible, negative, dreadful) |
| cantankerous(adjective, hard, evil, rough, nasty) |
| contentious(problematic, argumentative, quarrelsome) |
| damaging(adjective, awful, terrible, negative, dreadful) |
| despicable(verb, adjective, person, hard, evil) |