Sombre

1. (a.) Dull; dusky; somewhat dark; gloomy; as, a somber forest; a somber house.

2. (a.) Melancholy; sad; grave; depressing; as, a somber person; somber reflections.

3. (v. t.) To make somber, or dark; to make shady.

4. (n.) Gloom; obscurity; duskiness; somberness.

Thesaurus Entries

black, bleak, cheerless, dark, darkling, darksome, depressed, depressing, dim, dingy, dismal, doleful, dolorous, dreary, dull, dusky, foreboding, funereal, gloomy, grave, grey, grim, grim-faced, grim-visaged, joyless, leaden, lowering, lugubrious, melancholic, melancholy, morbid, morose, mournful, murky, overcast, sad, sedate, serious, shadowy, sober, solemn, staid, subfusc, unhappy