| pestilential(adjective, help, bad, evil, harm) |
| ruinous(adjective, harm, distressing, adverse, harmful) |
| toxic(adjective, bad, evil, offensive, foul) |
| virulent(adjective, help, dead, harmful, deadly) |
| calamitous(adjective, bad, evil, harm, wicked) |
| disastrous(adjective, bad, evil, harm, wicked) |
| damaging(adjective, negative, distressing, adverse, harmful) |
| lethal(adjective, harmful, injurious, damaging, deadly) |
| malefic(adjective, harm, negative, dead, threatening) |
| malign(adjective, harm, dead, injurious, hurtful) |
| noisome(adjective, bad, evil, offensive, immoral) |
| unwholesome(adjective, offensive, foul, disgusting, unhealthy) |
| dangerous(adjective, offensive, foul, disgusting, harmful) |
| malicious(adjective, evil, corrupt, negative, immoral) |
| mortal(adjective, harm, harmful, injurious, damaging) |
| prejudicial(adjective, harm, dead, distressing, harmful) |
| unhealthy(adjective, harm, offensive, foul, disgusting) |
| vicious(adjective, evil, negative, harmful, poison) |
| wicked(adjective, evil, corrupt, negative, immoral) |
| devastating(adjective, harm, destruction, dead, harmful) |