| wicked(adjective, severe, harsh, delicate, unpleasant) |
| injurious(adjective, bad, severe, offensive, awful) |
| deleterious(adjective, bad, offensive, foul, harmful) |
| grievous(adjective, help, great, tough, severe) |
| noxious(adjective, bad, evil, offensive, cruel) |
| damaging(adjective, bad, tough, evil, offensive) |
| ominous(adjective, unpleasant, heavy, cruel, horrible) |
| shaky(adjective, adverb, open, delicate, uncertain) |
| acute(adjective, severe, important, significant, serious) |
| alarming(adjective, bad, menacing, intimidating, hazardous) |
| breakneck(adjective, bad, heavy, risky, impetuous) |
| desperate(adjective, severe, awful, significant, extreme) |
| iffy(noun, adjective, delicate, uncertain, sensitive) |
| lethal(adjective, bad, rotten, deadly, fatal) |
| evil(adjective, bad, hard, rough, nasty) |
| awkward(adjective, difficult, delicate, tricky, thorny) |
| baneful(adjective, offensive, foul, disgusting, harmful) |
| detrimental(adjective, bad, cruel, unkind, distressing) |
| fierce(adjective, tough, difficult, violent, wicked) |
| forbidding(adjective, harsh, dark, unpleasant, gloomy) |