| incomprehensible(adjective, knowledge, obscure, difficult, solid) |
| vague(adjective, clear, obscure, rough, difficult) |
| opaque(adjective, hard, obscure, uncertain, unclear) |
| obscure(adjective, hard, obscure, rough, difficult) |
| incoherent(adjective, obscure, strange, detached, irregular) |
| inscrutable(adjective, knowledge, solid, dark, strange) |
| unfathomable(adjective, hard, knowledge, obscure, difficult) |
| impenetrable(adjective, knowledge, obscure, solid, dark) |
| unclear(adjective, hard, obscure, rough, difficult) |
| indistinct(adjective, obscure, rough, uncertain, doubtful) |
| inarticulate(adjective, unable, understandable) |
| mysterious(adjective, hard, obscure, solid, dark) |
| ambiguous(adjective, obscure, rough, dark, uncertain) |
| inexplicable(adjective, hard, rough, solid, dark) |
| half ass |
| unaccountable(adjective, obscure, solid, strange, doubtful) |
| unknowable(adjective, obscure, solid, dark, superior) |
| hazy(adjective, obscure, uncertain, vague, confused) |
| equivocal(adjective, obscure, rough, difficult, dark) |
| rambling(adjective, hard, delicate, strange, loose) |