definition of
sombreness

[1] #1 sombreness n. [gloom, somberness] a state of partial or total darkness; "he struck a match to dispel the gloom". wn

[2] #2 sombreness n. [gloom, gloominess, somberness] a feeling of melancholy apprehension. wn

[3] #3 sombreness n. [graveness, gravity, sobriety, soberness, somberness] a manner that is serious and solemn. wn