definition of
somberness

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

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

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