" sepulchral "

1: causing or marked by an atmosphere lacking in cheer;

  * e.g., " ... the decrepit mansion had a sepulchral tone that gave everyone a chill "

•  Synonyms : 

•  black,

•  bleak,

•  cheerless,

•  chill,

•  Cimmerian,

•  cloudy,

•  cold,

•  comfortless,

•  dark,

•  darkening,

•  depressing,

•  depressive,

•  desolate,

•  dire,

•  disconsolate,

•  dismal,

•  drear,

•  dreary,

•  dreich,

•  elegiac,

•  forlorn,

•  funereal,

•  gloomy,

•  glum,

•  godforsaken,

•  gray,

•  lonely,

•  lonesome,

•  lugubrious,

•  miserable,

•  morbid,

•  morose,

•  murky,

•  plutonian,

•  saturnine,

•  solemn,

•  somber,

•  sullen,

•  sunless,

•  tenebrific,

•  tenebrous,

•  wretched

•  Antonyms : 

•  bright,

•  cheerful,

•  cheering,

•  cheery,

•  comforting,

•  cordial,

•  festive,

•  friendly,

•  gay,

•  heartwarming,

•  sunshiny