| equivocal(adjective, delicate, uncertain, unstable, doubtful) |
| erratic(adjective, doubtful, vague, hesitant, changeable) |
| fitful(adjective, doubtful, vague, hesitant, changeable) |
| fraught with danger(expression, adjective, idiom, delicate, uncertain) |
| hairy(adjective, delicate, uncertain, sensitive, unstable) |
| hanging by thread(expression, idiom, doubtful, susceptible, striking) |
| hazardous(adjective, delicate, uncertain, sensitive, unstable) |
| iffy(adjective, delicate, uncertain, sensitive, unstable) |
| impugnable(adjective, delicate, uncertain, unstable, doubtful) |
| incalculable(adjective, doubtful, vague, hesitant, changeable) |
| inconstant(adjective, doubtful, vague, hesitant, changeable) |
| indecisive(adjective, delicate, uncertain, unstable, doubtful) |
| insecure(adjective, delicate, uncertain, sensitive, unstable) |
| irregular(adjective, doubtful, vague, hesitant, changeable) |
| irresolute(adjective, doubtful, vague, hesitant, changeable) |
| jeopardous(adjective, delicate, uncertain, sensitive, capable) |
| loaded(adjective, delicate, uncertain, unstable, doubtful) |
| long shot(expression, adjective, delicate, uncertain, sensitive) |
| not a prayer(expression, adjective, idiom, delicate, uncertain) |
| off the deep end(expression, adjective, idiom, delicate, uncertain) |