198 entries under adjective topic. ×

2
pitch-dark(dull, dark, gloomy, dim)
2
pitchy(dull, dark, gloomy, dim)
2
rayless(dull, dark, gloomy, dim)
2
shaded(dull, dark, gloomy, dim)
2
smoggy
2
soft(obscure, flat, dark, cold)
2
solid(set, heavy, deep, stiff)
2
stygian(dull, dark, gloomy, dim)
2
uncomprehensible
2
undecipherable
2
unlighted(dull, dark, gloomy, dim)
1
cold(soft, obscure, flat, dark)
1
inky(dull, dark, gloomy, dim)
1
mat(dull, dark, gloomy, faint)
1
ashen(soft, obscure, flat, dark)
1
bleary(dull, light, obscure, dark)
1
cabalistic
1
cabbalistic
1
caked(dull, set, flat, solid)
1
cimmerian(dull, dark, gloomy, dim)
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APASmart Define. (2016). opaque thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/opaque/thesaurus/synonyms
ChicagoSmart Define. 2016. "opaque thesaurus" https://smartdefine.org/opaque/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, opaque thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/opaque/thesaurus/synonyms>.
MLASmart Define. "opaque thesaurus" 29 February 2016. Web. 25 September 2026. <https://smartdefine.org/opaque/thesaurus/synonyms>