| doubtful(adjective, open, obscure, delicate, uncertain) |
| haphazard(adjective, unpredictable, risky, dangerous, unsafe) |
| mischievous(adjective, wicked, devilish) |
| ominous(adjective, heavy, acute, major, dangerous) |
| questionable(adjective, uncertain, shaky, unclear, unlikely) |
| sensitive(adjective, delicate, uncertain, unstable, doubtful) |
| threatening(adjective, bad, heavy, uncertain, risky) |
| ugly(adjective, bad, severe, awful, heavy) |
| unreliable(adjective, delicate, loose, uncertain, unstable) |
| untrustworthy(insecure, risky, danger, dangerous) |
| delicate(adjective, uncertain, sensitive, unstable, doubtful) |
| bad(adjective, heavy, wicked, risky, dangerous) |
| dodgy(adjective, risky, dangerous, treacherous, unsafe) |
| fraught with danger(expression, adjective, idiom, delicate, uncertain) |
| slippery(adjective, delicate, uncertain, unstable, doubtful) |
| tight(adjective, difficult, troublesome) |
| acute(adjective, severe, awful, heavy, terrible) |
| bold |
| damaging(adjective, harmful, dangerous, injurious, detrimental) |
| destructive(adjective, severe, rude, awful, heavy) |