| adverse(injurious, damaging, destructive) |
| capricious(adjective, false, careless, loose, dishonest) |
| catastrophic(injurious, damaging, destructive) |
| defenceless |
| delicate(adjective, uncertain, sensitive, unstable, ill) |
| detrimental(adjective, dangerous, injurious, damaging, destructive) |
| dickey(adjective, unreliable, insecure, treacherous, incalculable) |
| dicky(adjective, unreliable, insecure, treacherous, incalculable) |
| exposed(adjective, weak, delicate, tender, unstable) |
| fair-weather(adjective, dishonest, deceitful, unreliable, insecure) |
| faithless(adjective, dishonest, deceitful, unreliable, insecure) |
| fatal(adjective, dangerous) |
| fearsome(adjective, insecure, risky, dangerous) |
| financially unsound(adjective, characteristic, quality, finance, banking) |
| fraught with danger(expression, adjective, idiom, delicate, uncertain) |
| hurtful(adjective, injurious, damaging, destructive) |
| ill(unstable, shaky, insane, unhealthy, frail) |
| imprudent(adjective, foolish, fantastic) |
| in danger(expression, idiom, weak, susceptible, danger) |
| life-threatening(adjective, dangerous) |