198 entries under adjective topic. ×

3
roily
3
unlit(dull, soft, obscure, flat)
2
atramentous(dull, dark, gloomy, dim)
2
blackish(dull, dark, gloomy, dim)
2
crass
2
difficult
2
ill-defined(dull, dark, gloomy, faint)
2
ill-lighted(dull, dark, gloomy, dim)
2
imperceptive(dull, hard, obscure, difficult)
2
impermeable
2
imprecise
2
incoherent
2
inconceivable(unfathomable, impenetrable, unintelligible, puzzling)
2
inexplicit(obscure, uncertain, vague, unclear)
2
inscrutable
2
lurid(dull, dark, gloomy, dim)
2
lusterless(muddy, clouded)
2
matte(soft, obscure, flat, dark)
2
obfuscous(dull, obscure, dark, gloomy)
2
pitch-black(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>