adj. 25B6; adjective
sombre clothes : DARK, drab, dull, dingy; restrained, subdued, sober, funereal.
a sombre expression : SOLEMN, earnest, serious, grave, sober, unsmiling, stern, grim, dour, humourless; gloomy, depressed, sad, melancholy, dismal, doleful, mournful, lugubrious.
bright, cheerful.