| deleterious(adjective, mean, bad, evil, nasty) |
| hurtful(adjective, severe, harmful, injurious, damaging) |
| injurious(adjective, mean, bad, evil, nasty) |
| mordant(adjective, physical energy) |
| severe(adjective, nasty, wicked, intelligent, hostile) |
| evil(adjective, mean, bad, nasty, harsh) |
| fierce(adjective, severe, evil, nasty, harsh) |
| incisive |
| keen(adjective, enthusiastic, ill, sick, fervent) |
| mephitic(adjective, help, poisonous, lethal, insalubrity) |
| savage |
| stinging(adjective, severe, nasty, hostile, resentful) |
| toxicant(adjective, help, poisonous, lethal) |
| unwholesome(adjective, unhealthy, rotten, harmful, injurious) |
| violent(adjective, enthusiastic, cruel, resentment, ill) |
| blistering |
| envenomed(adjective, malevolence, inexpedience, insalubrity) |
| resentful(adjective, mean, hard, love, severe) |
| sardonic(adjective, severe, nasty, intelligent, hostile) |
| septic(adjective, poisonous, lethal, insalubrity) |