| doubtful(noun, adjective, clear, open, great) |
| questionable(noun, adjective, clear, great, rough) |
| uncertain(noun, adjective, clear, open, rough) |
| suspicious(adjective, unusual, strange, uncertain, nervous) |
| unreliable(adjective, delicate, uncertain, true, nervous) |
| shady(adjective, unusual, strange, corrupt, uncertain) |
| unsure(adjective, clear, open, rough, delicate) |
| debatable(noun, adjective, open, uncertain, doubtful) |
| suspect(verb, adjective, great, extraordinary, uncertain) |
| untrustworthy(adjective, uncertain, nervous, dishonest, doubtful) |
| vague(adjective, clear, open, rough, uncertain) |
| fishy(adjective, great, extraordinary, unusual, strange) |
| precarious(adjective, doubtful, unreliable, tricky, insecure) |
| undecided(noun, adjective, open, certain, doubt) |
| ambiguous(adjective, clear, open, rough, delicate) |
| disputable(noun, adjective, open, uncertain, doubtful) |
| indefinite(adjective, open, obscure, rough, uncertain) |
| problematic(adjective, clear, open, rough, delicate) |
| unlikely(adjective, open, slight, uncertain, doubtful) |
| unsettled(noun, adjective, open, rough, delicate) |