| ambiguous(adjective, cover, clear, open, obscure) |
| vague(adjective, clear, open, obscure, rough) |
| indefinite(adjective, open, rough, uncertainty, uncertain) |
| uncertain(adjective, clear, open, obscure, rough) |
| doubtful(adjective, clear, open, obscure, rough) |
| obscure(adjective, cover, clear, rough, difficult) |
| questionable(adjective, clear, obscure, rough, honest) |
| indeterminate(adjective, clear, obscure, rough, certain) |
| unclear(adjective, clear, open, obscure, rough) |
| dubious(adjective, clear, open, rough, delicate) |
| puzzling(adjective, obscure, dark, uncertain, doubtful) |
| ambivalent(adjective, open, uncertain, doubtful, vague) |
| cryptic(adjective, cover, obscure, difficult, dark) |
| indistinct(adjective, rough, uncertainty, uncertain, doubtful) |
| suspicious(adjective, honest, uncertain, doubtful, hesitant) |
| enigmatic(adjective, cover, obscure, rough, difficult) |
| evasive(adjective, clear, obscure, uncertain, careful) |
| problematic(adjective, clear, rough, delicate, certain) |
| misleading(adjective, uncertain, doubtful) |
| fishy(adjective, honest, informal, uncertain, doubtful) |