194 entries under dull topic. ×

6
opaque(adjective, flat, dark, dirty)
6
sooty(adjective, obscure, dark, dim)
5
discouraging(adjective, hard, sad, miserable)
5
faint(adjective, dark, dim, black)
5
frowning(adjective, low, miserable, unstable)
5
hurting(adjective, bad, blue, low)
5
indistinct(adjective, flat, dark, dirty)
5
serious(adjective, unhappy, dark, unpleasant)
5
smoky(adjective, dark, gray, dense)
5
sober(adjective, dark, miserable, grim)
5
unilluminated(adjective, obscure, dark, uncertain)
4
ashen(adjective, grim, pale, gray)
4
disagreeable(adjective, hard, rough, nasty)
4
dun(adjective, dark, dim, black)
4
ill-lighted(adjective, dark, dim, black)
4
livid(adjective, pale, leaden, purple)
4
pitchy(adjective, dark, dim, black)
4
unlighted(adjective, dark, dim, black)
4
vague(adjective, dark, uncertain, dim)
3
Cimmerian(adjective, dark, dim, black)
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APASmart Define. (2016). gloomy thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/gloomy/thesaurus/synonyms
ChicagoSmart Define. 2016. "gloomy thesaurus" https://smartdefine.org/gloomy/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2016, gloomy thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/gloomy/thesaurus/synonyms>.
MLASmart Define. "gloomy thesaurus" 24 March 2016. Web. 30 September 2026. <https://smartdefine.org/gloomy/thesaurus/synonyms>