| perilous(adjective, bad, heavy, risky, safety) |
| precarious(adjective, bad, heavy, risky, dangerous) |
| dangerous(adjective, bad, heavy, striking, risky) |
| hazardous(adjective, bad, heavy, unpredictable, risky) |
| risky(adjective, bad, heavy, safety, dangerous) |
| appalling(adjective, awful, terrible, horrible, afraid) |
| hairy(adjective, bad, slang, informal, heavy) |
| bad(adjective, awful, terrible, horrible, afraid) |
| deadly(adjective, awful, terrible, strange, horrible) |
| menacing(adjective, bad, heavy, risky, dangerous) |
| nasty(adjective, awful, terrible, horrible, afraid) |
| unsafe(adjective, bad, heavy, risky, safety) |
| direful(adjective, awful, terrible, strange, horrible) |
| flagrant(adjective, awful, terrible, strange, horrible) |
| helluva(adjective, awful, terrible, strange, horrible) |
| scathing(adjective, awful, terrible, strange, horrible) |
| touch-and-go(adjective, risky, dangerous) |
| uncertain(adjective, risky, dangerous, unsafe) |
| woeful(adjective, awful, terrible, strange, horrible) |
| wicked(adjective, awful, terrible, horrible, afraid) |