| touch-and-go(adjective, shaky, unclear, unlikely, questionable) |
| unbelieving(adjective, uncertain, careful, hesitant, suspicious) |
| unconfident(adjective, uncertain, nervous, shaky, dubious) |
| unconvinced(adjective, uncertain, nervous, hesitant, dubious) |
| unimaginable(adjective, extraordinary, amazing, dubious, unlikely) |
| untrustworthy(adjective, weak, uncertain, nervous, sensitive) |
| vacillant(adjective, hesitant) |
| agnostic(adjective, uncertain, hesitant, unsure, believing) |
| confused(adjective, weak, obscure, dark, uncertain) |
| contingent(adjective, delicate, uncertain, unstable, shaky) |
| controvertible |
| disenchanted(adjective, person, shameless, negative emotions) |
| disillusioned(adjective, person, shameless, negative emotions) |
| doubt(noun, verb, unbelief doubt) |
| faltering(adjective, weak, uncertain, awkward, shy) |
| flimsy(adjective, great, extraordinary, unreasonable, amazing) |
| hazardous(adjective, open, obscure, delicate, uncertain) |
| hypothetical(adjective, uncertain, dubious, imaginary, theoretical) |
| inconclusive(adjective, clear, certain, uncertain, unclear) |
| jaundiced(adjective, person, shameless, negative emotions) |