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, especially British, som·bre.
Origin: 1750–60; < French sombre,Middle French, probably noun derivative of *sombrer to make shady < Vulgar Latin *subumbrāre, equivalent to Latin sub-sub- + umbrāre to cast a shadow, derivative of umbra shade
an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle.
a scrap or morsel of food left at a meal.
a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison.
a chattering or flighty, light-headed person.
a printed punctuation mark (‽), available only in some typefaces, designed to combine the question mark (?) and the exclamation point (!), indicating a mixture of query and interjection, as after a rhetorical question.
a children's mummer's parade, as on the Fourth of July, with prizes for the best costumes.
1760 (earlier sombrous, c.1730), from Fr. sombre "dark, gloomy," from O.Fr. sombre, from L.L. subumbrare "to shadow," from sub "under" + umbra "shade, shadow," from PIE *andho- "blind, dark" (see umbrage).