| out on limb(expression, adjective, idiom, delicate, uncertain) |
| pending(shaky, unlikely, unpromising) |
| perilous(adjective, delicate, uncertain, sensitive, unstable) |
| playing with fire(expression, idiom, delicate, uncertain, doubtful) |
| problematic(adjective, open, delicate, uncertain, nervous) |
| questionable(doubtful, shaky, vague, unsure, unlikely) |
| questioning(uncertain, nervous, worried, hesitant, insecure) |
| rocky(adjective, delicate, uncertain, sensitive, unstable) |
| rugged(adjective, delicate, uncertain, unstable, doubtful) |
| sensitive(adjective, delicate, uncertain, unstable, doubtful) |
| shady(shaky, unlikely, unpromising) |
| shaky(adjective, delicate, uncertain, nervous, unstable) |
| sneaky(shaky, unlikely, unpromising) |
| speculative(adjective, delicate, uncertain, sensitive, doubtful) |
| suspect(shaky, unlikely, unpromising) |
| suspicious(nervous, insecure, unsure) |
| threatening(delicate, uncertain, insecure, rugged, risky) |
| touch-and-go(adjective, delicate, uncertain, sensitive, unsettled) |
| treacherous(delicate, uncertain, unsound, insecure, rugged) |
| tricky(adjective, delicate, uncertain, sensitive, unstable) |