106 entries under gloomy topic. ×

1
monotone(adjective, dull, dark, faint)
1
monotonous(adjective, dull, dark, faint)
1
mousy(adjective, soft, obscure, flat, dark)
1
mucky(gray, messy, overcast, grubby)
1
muffled(adjective, soft, obscure, flat, dark)
1
mushy(dull, obscure, dim, gray)
1
muted(adjective, dull, soft, obscure, flat)
1
nontranslucent(adjective, gray, dense, cloudy)
1
nontransparent(adjective, gray, dense, cloudy)
1
not clear(expression, idiom, gray, overcast)
1
poorly lit(expression, adjective, dull, dark)
1
sober(adjective, soft, obscure, flat, dark)
1
softened(adjective, soft, obscure, flat, dark)
1
subdued(adjective, soft, obscure, flat, dark)
1
subfusc(adjective, soft, obscure, flat, dark)
1
sullen(gray, overcast)
1
sullied(adjective, dull, dark, faint)
1
tarnished(adjective, dull, dark, faint)
1
toned-down(adjective, soft, obscure, flat, dark)
1
unilluminated(adjective, dull, dark, faint)
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APASmart Define. (2016). opaque thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/opaque/thesaurus/synonyms
ChicagoSmart Define. 2016. "opaque thesaurus" https://smartdefine.org/opaque/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2016, opaque thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/opaque/thesaurus/synonyms>.
MLASmart Define. "opaque thesaurus" 29 February 2016. Web. 29 September 2026. <https://smartdefine.org/opaque/thesaurus/synonyms>