| unsound(adjective, delicate, uncertain, sensitive, dangerous) |
| unworkable(adjective, impossible, impracticable) |
| venturesome(adjective, delicate, uncertain, unsound, dangerous) |
| wicked(adjective, delicate, uncertain, sensitive, unsound) |
| wide-open(adjective, delicate, uncertain, sensitive, unsound) |
| be taken in(susceptible, risky, nonresistant) |
| behind eight ball(expression, idiom, susceptible, risky, nonresistant) |
| daring(susceptible, risky, nonresistant) |
| dodgy(dangerous, hazardous) |
| easily moved(expression, susceptible, risky, nonresistant) |
| fat chance(noun, chance) |
| fire eating(expression, susceptible, risky, nonresistant) |
| go for broke(expression, idiom, susceptible, risky, nonresistant) |
| gutty(susceptible, risky, nonresistant) |
| hanging by thread(expression, doubtful, susceptible, risky, nonresistant) |
| hot shot(expression, susceptible, risky, nonresistant) |
| impossible |
| impugnable(doubtful, susceptible, risky, nonresistant, unconfirmed) |
| in Dutch(expression, susceptible, risky, nonresistant) |
| in a pickle(expression, idiom, susceptible, risky, nonresistant) |