资料来源 : Webster's Revised Unabridged Dictionary (1913)

Somberness \Som"ber*ness\, Sombreness \Som"bre*ness\, n.
   The quality or state of being somber; gloominess.

资料来源 : WordNet®

somberness
     n 1: a state of partial or total darkness; "he struck a match to
          dispell the gloom" [syn: {gloom}, {sombreness}]
     2: a feeling of melancholy apprehension [syn: {gloom}, {gloominess}]
     3: a manner that is serious and solemn [syn: {graveness}, {gravity},
         {sobriety}, {soberness}]