| vague(adjective, clear, open, rough, certain) |
| uncertain(adjective, clear, open, rough, delicate) |
| equivocal(adjective, cover, clear, open, obscure) |
| indefinite(adjective, open, rough, uncertainty, uncertain) |
| unclear(adjective, clear, open, obscure, rough) |
| obscure(adjective, cover, clear, rough, dark) |
| puzzling(adjective, obscure, dark, uncertain, vague) |
| doubtful(adjective, clear, open, rough, delicate) |
| dubious(adjective, clear, open, rough, delicate) |
| misleading(adjective, false, complex, vague, subtle) |
| enigmatic(adjective, cover, obscure, rough, dark) |
| indeterminate(adjective, clear, rough, certain, uncertainty) |
| indistinct(adjective, rough, uncertainty, uncertain, doubtful) |
| cryptic(adjective, obscure, dark, uncertain, doubtful) |
| questionable(adjective, clear, rough, certain, uncertain) |
| confused(adjective, weak, obscure, dark, uncertainty) |
| inexplicit(noun, adjective, clear, obscure, certain) |
| problematic(adjective, clear, open, rough, delicate) |
| mysterious(adjective, obscure, dark, uncertain, doubtful) |
| borderline(adjective, clear, open, delicate, certain) |