| suicidal(adjective, violent, cruel, harmful, injurious) |
| lethal(adjective, bad, evil, harmful, injurious) |
| prejudicial(adjective, bad, cruel, unkind, harmful) |
| malevolent(adjective, mean, bad, evil, nasty) |
| pestilent(adjective, help, bad, unhealthy, harmful) |
| dangerous(adjective, bad, offensive, foul, disgusting) |
| malign(adjective, mean, bad, evil, nasty) |
| pestilential(adjective, help, bad, evil, harmful) |
| sinister(adjective, bad, evil, nasty, negative) |
| mischievous(adjective, mean, bad, nasty, cruel) |
| pestiferous(adjective, bad, evil, harmful, injurious) |
| disadvantageous(adjective, cruel, unkind, contrary, distressing) |
| inimical(adjective, offensive, negative, foul, antagonistic) |
| wicked(adjective, mean, bad, evil, nasty) |
| nocuous(adjective, cruel, unkind, distressing, harmful) |
| venomous(adjective, mean, bad, evil, nasty) |
| noisome(adjective, bad, evil, offensive, immoral) |
| unwholesome(adjective, offensive, foul, disgusting, unhealthy) |
| mortal(adjective, bad, evil, grave, harmful) |
| adverse(adjective, contrary, dreadful, distressing, injurious) |