| desperate |
| destructive(adjective, dangerous, injurious, damaging) |
| fly-by-night(adjective, dishonest, deceitful, unpredictable, unreliable) |
| grave(adjective, dangerous) |
| grievous |
| in the firing line |
| injurious(adjective, dangerous, damaging, destructive) |
| open(uncertain, unstable, doubtful, shaky, tricky) |
| pregnable(adjective, weak, tender, unreliable, vulnerable) |
| querulous(adjective, delicate, sensitive, tricky, impatient) |
| rickety(adjective, unstable, ill, shaky, insane) |
| speculative(adjective, bad, delicate, heavy, uncertain) |
| tottery(adjective, insecure) |
| tricky(adjective, delicate, loose, uncertain, sensitive) |
| trustless(adjective, dishonest, deceitful, unpredictable, unreliable) |
| unassured(adjective, dishonest, deceitful, unpredictable, unreliable) |
| weak(adjective, tender, false, unstable, ill) |
| wildcat(adjective, characteristic, quality, finance, banking) |
| wobbly(adjective, false, uncertain, unstable, ill) |
| adventurous(adjective, safety) |