Definition of "somber"

somber

/ˈsɑmbɚ/

adjective
comparative somberer, superlative somberest
1. (American spelling) Alternative form of sombre
  Quotations
  My mother prepared herself for the evening with the same somber deliberateness of the gladiators in Spartacus.
  2002, Dirk Wittenborn, Fierce People
verb
third-person singular simple present sombers, present participle sombering, simple past and past participle sombered
1. (American spelling) Alternative form of sombre