13 possible answers to
Answers with 3 characters: DIM Answers with 4 characters: GRAY HAZY Answers with 5 characters: BLEAR Answers with 6 characters: OPAQUE Answers with 7 characters: NEBULAR UNCLEAR Answers with 8 characters: LOWERING OVERCAST Answers with 10 characters: LUGUBRIOUS OPALESCENT SEMIOPAQUE SUSPICIOUS