| equivocal(adjective, clear, open, obscure, rough) |
| confused(adjective, dull, clear, weak, flat) |
| dubious(adjective, clear, open, rough, certain) |
| murky(adjective, dull, obscure, dark, gloomy) |
| mysterious(adjective, hard, complex, doubtful, vague) |
| nebulous(adjective, dull, clear, obscure, certain) |
| bleary(adjective, dull, clear, obscure, rough) |
| dark(adjective, hard, obscure, rough, gloomy) |
| enigmatic(adjective, hard, obscure, rough, difficult) |
| indecipherable(adjective, unintelligible) |
| doubtful(adjective, clear, open, obscure, rough) |
| puzzling(adjective, obscure, uncertain, vague, ambiguous) |
| clouded(adjective, clear, obscure, certain, uncertain) |
| illegible(adjective, unintelligible, unreadable) |
| unreadable(adjective, unintelligible) |
| unsure(adjective, clear, open, rough, certain) |
| confusing(adjective, hard, delicate, uncertain, complex) |
| filmy(adjective, cloudy, murky, hazy, misty) |
| imperceptible(adjective, dull, quiet, weak, soft) |
| incomprehensible(adjective, obscure, difficult, uncertain, doubtful) |