| cryptic(uncertain, vague, unclear) |
| debatable(uncertain, shaky, unclear, unlikely, questionable) |
| dense(gloomy, gray, cloudy, overcast, impervious) |
| dismal(adjective, dull, soft, flat, dark) |
| distorted(unclear, blurry) |
| drab(adjective, soft, obscure, flat, dark) |
| faded(adjective, dull, weak, soft, gentle) |
| frosty(adjective, cloudy) |
| fuliginous(adjective, cloudy) |
| fuzzed |
| generalized(adjective, unclear, indistinct, indistinguishable) |
| groggy(adjective, confused, dizzy, stunned) |
| hushed(adjective, weak, pale, faded) |
| inaudible(adjective, weak, pale, unclear, faded) |
| indecisive(uncertain, doubtful, vague, unclear, unsure) |
| lax(unclear, indistinct, indistinguishable) |
| limpid(adjective, semitransparent) |
| low(adjective, dull, quiet, weak, soft) |
| lowering(dull, gloomy, gray, cloudy, dismal) |
| misted |