| cataclysmic(injurious, damaging, destructive) |
| chance |
| corrupt(harmful, injurious, detrimental, noxious, toxic) |
| cruel(adjective, strong, hard, severe, rough) |
| dangerously |
| dangersome(adjective, hazardous, troubling) |
| daredevil(adjective, bold, brave, rash, daring) |
| debased(adjective, wicked) |
| despicable(adjective, hard, evil, rough, nasty) |
| disagreeable(adjective, hard, evil, rough, nasty) |
| distressing(adjective, cruel, wicked, shocking, unkind) |
| dreadful(adjective, tough, severe, unpleasant, awful) |
| dubious(adjective, delicate, uncertain, unstable, doubtful) |
| fulminating(adjective, unstable, critical, unpredictable, volatile) |
| haphazard(risky, unsafe) |
| incendiary(adjective, trouble, damage, injurious, damaging) |
| infirm(unstable, ill, shaky, insane, unhealthy) |
| inflammable(adjective, ready) |
| iniquitous(adjective, bad, wicked, distressing, harmful) |
| insubstantial(false, unstable, ill, shaky, insane) |