| dangerous(adjective, bad, heavy, foul, harmful) |
| injurious(adjective, cruel, unkind, distressing, adverse) |
| detrimental(adjective, bad, evil, cruel, unkind) |
| murderous(adjective, difficult) |
| appalling(adjective, awful, terrible, horrible, afraid) |
| devastating(adjective, bad, evil, destruction, grim) |
| disastrous(adjective, sad, painful, suffering, dreadful) |
| dreadful(adjective, awful, terrible, horrible, afraid) |
| ruinous(adjective, bad, destruction, painful, suffering) |
| bloodthirsty(adjective, murderous) |
| catastrophic(adjective, sad, awful, painful, suffering) |
| ferocious(adjective, awful, terrible, horrible, afraid) |
| implacable |
| savage |
| tedious(adjective, dull, dry, boring, dreary) |
| vicious(adjective, awful, terrible, horrible, afraid) |
| pestilential(adjective, help, bad, evil, harmful) |
| tragic(adjective, bad, awful, terrible, horrible) |
| awful(adjective, terrible, horrible, afraid) |
| calamitous(adjective, sad, painful, suffering, dreadful) |