| vague(adjective, dull, clear, open, weak) |
| obscure(adjective, dull, clear, hard, weak) |
| indistinct(adjective, dull, close, quiet, clear) |
| hazy(adjective, clear, weak, obscure, uncertain) |
| indefinite(adjective, clear, open, obscure, rough) |
| fuzzy(adjective, dull, clear, obscure, flat) |
| dim(adjective, dull, clear, weak, soft) |
| ambiguous(adjective, clear, open, obscure, rough) |
| cloudy(adjective, dull, clear, obscure, rough) |
| uncertain(adjective, clear, open, obscure, rough) |
| faint(adjective, dull, close, quiet, clear) |
| misty(adjective, dull, clear, obscure, cloudy) |
| foggy(adjective, clear, obscure, rough, dim) |
| blurred(adjective, dull, weak, soft, gentle) |
| blurry(adjective, dull, clear, obscure, dim) |
| indeterminate(adjective, clear, rough, certain, uncertain) |
| ill-defined(adjective, dull, weak, soft, gentle) |
| cryptic(adjective, obscure, difficult, uncertain, doubtful) |
| shadowy(adjective, dull, clear, weak, soft) |
| opaque(adjective, dull, hard, obscure, flat) |