| mistrustful(adjective, uncertain, nervous, doubtful, shaky) |
| obscure(shaky, unlikely, unpromising) |
| on thin ice(expression, idiom, nervous, doubtful, shaky) |
| open to applications |
| pendent |
| precarious(doubtful, shaky, vague, tricky, unsure) |
| problematic(adjective, open, uncertain, nervous, doubtful) |
| questionable(doubtful, shaky, vague, hesitant, changeable) |
| rootless(adjective, uncertain, nervous, doubtful, shaky) |
| shady(shaky, unlikely, unpromising) |
| shaky(uncertain, nervous, doubtful, insecure, unsure) |
| skeptical(adjective, uncertain, nervous, doubtful, shaky) |
| sneaky(shaky, unlikely, unpromising) |
| speculative(doubtful, shaky, vague, unsure, unlikely) |
| suspect(shaky, tricky, unlikely, sticky, unpromising) |
| suspenseful |
| suspicious(adjective, open, uncertain, nervous, doubtful) |
| touch-and-go(shaky, unlikely, unpromising) |
| touch and go(expression, adjective, idiom, uncertain, nervous) |
| touchy(nervous, shaky, changeable, insecure, unsure) |