10
grey(adjective, heather, charcoal, starless)
10
morose
10
mournful(adjective, sad, sorrowful, distressing, hopeless)
10
unhappy
9
solemn
9
somber(adjective, unhappy, dark, gloom, black)
8
depressed(adjective, sad, sorrowful, somber, forlorn)
8
dusky(adjective, dark)
8
grave
7
cloudy
7
overcast
7
serious
6
clouded
6
dour
6
lowering
6
sedate
6
sorrowful(adjective, sad, somber, forlorn)
6
subfusc
5
dingy
5
dolorous
11 years ago|10k views|share |citing 
APASmart Define. (2015). sombre thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/sombre/thesaurus/synonyms
ChicagoSmart Define. 2015. "sombre thesaurus" https://smartdefine.org/sombre/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, sombre thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/sombre/thesaurus/synonyms>.
MLASmart Define. "sombre thesaurus" 14 April 2015. Web. 26 September 2026. <https://smartdefine.org/sombre/thesaurus/synonyms>