182 entries under gloomy topic. ×

10
soft(adjective, quiet, increase, light, weak)
10
sunless(adjective, dark, dim, black)
9
lackluster(adjective, light, simple, flat, excite)
9
low(adjective, quiet, bad, weak, soft)
9
subdued(adjective, calm, quiet, weak, kind)
8
dun(adjective, dark, dim, black)
8
depressed(adjective, quiet, bad, flat, low)
8
mousy(adjective, quiet, ordinary, grim)
8
softened(adjective, weak, soft, gentle, mild)
7
down(adjective, bad, increase, simple, flat)
7
foggy(adjective, obscure, dark, heavy)
7
grimy(adjective, flat, dark, dirty)
7
sooty(adjective, dark, dim, black)
7
subfusc(adjective, gray, drab, cloudy)
6
blind(verb, adjective, weak, see, flat)
6
ashen(adjective, quiet, light, soft, flat)
6
blurred(adjective, weak, soft, gentle, obscure)
6
lowering(adjective, dark, miserable, gray)
6
lustreless
6
mat(adjective, light, dark, faint)
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APASmart Define. (2016). dull thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/dull/thesaurus/synonyms
ChicagoSmart Define. 2016. "dull thesaurus" https://smartdefine.org/dull/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2016, dull thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/dull/thesaurus/synonyms>.
MLASmart Define. "dull thesaurus" 29 March 2016. Web. 30 September 2026. <https://smartdefine.org/dull/thesaurus/synonyms>