| clouded(shaky, incomplete, unlikely, pending, unpromising) |
| conditional |
| conditioned |
| conjectural(doubtful, vague, hesitant, changeable, unsure) |
| debatable(shaky, tricky, incomplete, unlikely, sticky) |
| dicey(shaky, changeable, erratic, unlikely, random) |
| disreputable(shaky, unlikely, unpromising) |
| distrustful(adjective, uncertain, nervous, doubtful, shaky) |
| doubtable(doubtful, shaky, risky, unlikely, unpromising) |
| doubtful(adjective, uncertain, nervous, shaky, vague) |
| dubious(adjective, open, uncertain, nervous, doubtful) |
| dubitable(shaky, tricky, incomplete, unlikely, sticky) |
| erratic(doubtful, vague, hesitant, changeable, unsure) |
| far-fetched(shaky, unlikely, unpromising) |
| fat chance(expression, shaky, unlikely, unpromising) |
| fishy(shaky, unlikely, unpromising) |
| fitful(doubtful, vague, hesitant, changeable, unsure) |
| fluctuant(adjective, uncertain, nervous, doubtful, shaky) |
| fly-by-night(adjective, uncertain, nervous, doubtful, shaky) |
| hanging by a thread(expression, idiom, doubtful, vague, hesitant) |