| inexplicit(adjective, clear, obscure, certain, uncertain) |
| perplexing(adjective, hard, obscure, rough, difficult) |
| problematic(adjective, clear, rough, certain, uncertain) |
| tenebrous(adjective, obscure, rough, difficult, dark) |
| undecided(adjective, open, uncertain, definite, doubtful) |
| amorphous(adjective, rough, indistinct, indistinguishable, disorganized) |
| formless(adjective, vague, indistinct, indistinguishable, disorganized) |
| impenetrable(adjective, opaque) |
| incoherent(adjective, rough, still, faint, disorganized) |
| indiscernible |
| misleading |
| suspect(adjective, uncertain, doubtful, unsettled, shaky) |
| unspecified(adjective, rough, vague, unknown, hazy) |
| chancy(adjective, clear, certain, uncertain, anxious) |
| deceptive(adjective, false, deceitful, tricky, equivocal) |
| distant(weak, pale, faded) |
| elusive(adjective, clear, false, vague, hazy) |
| evasive(adjective, obscure, uncertain, doubtful, vague) |
| faltering(adjective, weak, uncertain, doubtful, unsettled) |
| gauzy(adjective, semitransparent) |