| polysemous(adjective, characteristic, doubt, distrust) |
| problematic(adjective, characteristic, doubt, distrust) |
| puzzling(adjective, characteristic, doubt, distrust) |
| shady(adjective, characteristic, doubt, distrust) |
| tenebrous(adjective, characteristic, doubt, distrust) |
| undependable(adjective, characteristic, doubt, distrust) |
| unintelligible(adjective, characteristic, doubt, distrust) |
| unreliable(adjective, characteristic, doubt, distrust) |
| untrustworthy(adjective, characteristic, doubt, distrust) |
| vague(adjective, characteristic, doubt, distrust) |
| chancy(adjective, characteristic, doubt, distrust) |
| diffident(adjective, characteristic, doubt, distrust) |
| dubitable(adjective, characteristic, doubt, distrust) |
| far-fetched(adjective, characteristic, doubt, distrust) |
| fly-by-night(adjective, characteristic, doubt, distrust) |
| iffy(adjective, characteristic, doubt, distrust) |
| improbable(adjective, characteristic, doubt, distrust) |
| indecisive(adjective, characteristic, doubt, distrust) |
| mootable(adjective, characteristic, doubt, distrust) |
| open(adjective, characteristic, doubt, distrust) |