| bitter(adjective, hard, nasty, pain, unpleasant) |
| dangerous(adjective, bad, offensive, cruel, foul) |
| ill(adjective, help, mean, bad, evil) |
| not good(expression, idiom) |
| unkind(adjective, mean, bad, wrong, severe) |
| virulent(adjective, severe, harmful, injurious, damaging) |
| deadly(adjective, bad, evil, cruel, unkind) |
| throbbing(adjective, painful, sickness, ache, anguishes) |
| unpleasant(adjective, mean, nasty, harsh, tender) |
| venomous(adjective, mean, bad, evil, nasty) |
| vicious(adjective, mean, bad, hard, evil) |
| wounding(adjective, offensive, rude, awful, terrible) |
| acute(adjective, sharp, tender, painful, uncomfortable) |
| afflictive(adjective, hard, severe, tender, pain) |
| arduous(adjective, painful, sickness, ache, anguishes) |
| caustic(adjective, hard, nasty, tender, intelligent) |
| dire(adjective, severe, tender, unpleasant, awful) |
| hard(adjective, mean, severe, harsh, tender) |
| lethal(adjective, bad, evil, harmful, injurious) |
| malign(mean, bad, nasty, negative, malicious) |