| poisonous(adjective, help, mean, bad, nasty) |
| virulent(adjective, help, mean, bad, evil) |
| malicious(adjective, mean, bad, evil, nasty) |
| spiteful(adjective, mean, nasty, attitude, violent) |
| bitter(adjective, mean, nasty, hateful, malicious) |
| malignant(adjective, mean, bad, evil, nasty) |
| vicious(adjective, mean, bad, strong, severe) |
| malevolent(adjective, mean, strong, severe, nasty) |
| baneful(adjective, bad, evil, hateful, harmful) |
| caustic(adjective, vicious, malevolence, discourtesy) |
| toxic(adjective, help, bad, evil, hateful) |
| deadly(adjective, bad, evil, hateful, harmful) |
| lethal(adjective, bad, evil, hateful, rotten) |
| hostile(adjective, vicious, hateful, deadly, malevolent) |
| acerbic |
| acrimonious(adjective, vicious, malevolence, discourtesy) |
| noxious(adjective, mean, bad, evil, nasty) |
| baleful(adjective, mean, bad, evil, nasty) |
| malign(adjective, mean, strong, severe, nasty) |
| nasty(adjective, mean, attitude, violent, wild) |