| uncertain(noun, adjective, clear, open, weak) |
| dubious(noun, adjective, clear, open, great) |
| questionable(noun, adjective, clear, great, obscure) |
| suspicious(adjective, person, honest, unusual, strange) |
| unsure(noun, adjective, clear, open, weak) |
| debatable(noun, adjective, open, certain, uncertain) |
| disputable(noun, adjective, open, certain, uncertain) |
| hesitant(adjective, open, weak, uncertain, awkward) |
| distrustful(adjective, person, uncertain, negative, nervous) |
| indefinite(adjective, open, obscure, rough, uncertain) |
| problematic(adjective, clear, open, rough, delicate) |
| undecided(noun, adjective, open, weak, certain) |
| unsettled(noun, adjective, open, weak, rough) |
| skeptical(adjective, person, certain, doubt, uncertain) |
| suspect(verb, adjective, great, honest, extraordinary) |
| iffy(noun, adjective, clear, open, delicate) |
| moot(noun, adjective, open, certain, uncertain) |
| equivocal(adjective, clear, open, obscure, rough) |
| ambiguous(adjective, clear, open, obscure, rough) |
| dubitable(adjective, clear, certain, uncertain, unsettled) |