Pronunciation: (som'bur), [key]
1. gloomily dark; shadowy; dimly lighted: a somber passageway.
2. dark and dull, as color, or as things in respect to color: a somber dress.
3. gloomy, depressing, or dismal: a somber mood.
4. extremely serious; grave: a somber expression on his face. Also, esp. Brit.,som'bre.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.