| negative(adjective, injurious, unfavorable, disparaging, hurtful) |
| objectionable(adjective, bad, offensive, rude, unpleasant) |
| offensive(adjective, bad, severe, evil, awful) |
| perilous(adjective, risky, dangerous, injurious, unsafe) |
| pestilent(adjective, unhealthy, dangerous, fatal, unwholesome) |
| pestilential(adjective, injurious, damaging, deadly, destructive) |
| polluted(adjective, bad, offensive, foul, revolting) |
| severe(adjective, bad, offensive, awful, terrible) |
| sinful(adjective, corrupt, immoral, injurious, damaging) |
| threatening(adjective, risky, dangerous, menacing, unsafe) |
| unfortunate |
| unhelpful(adjective, unpleasant, damaging, hurtful, detrimental) |
| unhygienic(adjective, injurious, detrimental) |
| unsanitary(injurious, detrimental) |
| useless(adjective, worthless, second-rate, arouse bad emotions, crummy) |
| violent |
| wounding(adjective, awful, terrible, cruel, unkind) |
| mean(adjective, person, harsh, cruel, hostile) |
| terrible(adjective, dangerous) |
| alarming(adjective, dangerous, arouse bad emotions) |