76 entries under obscure topic. ×

1
feeble(adjective, soft, flat, dark)
1
flat(adjective, dull, soft, dark)
1
formless
1
inconclusive(uncertain, vague, unclear, indefinite)
1
leaden(adjective, dull, soft, flat)
1
mousy(adjective, soft, flat, dark)
1
muffled(adjective, soft, flat, dark)
1
mushy(dull, gloomy, dim, gray)
1
muted(adjective, dull, soft, flat)
1
sober(adjective, soft, flat, dark)
1
softened(adjective, soft, flat, dark)
1
subdued(adjective, soft, flat, dark)
1
subfusc(adjective, soft, flat, dark)
1
toned-down(adjective, soft, flat, dark)
1
vaporous(dull, gloomy, dim, gray)
0
low(adjective, soft, flat, dark)
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APASmart Define. (2016). opaque thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/opaque/thesaurus/synonyms
ChicagoSmart Define. 2016. "opaque thesaurus" https://smartdefine.org/opaque/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, opaque thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/opaque/thesaurus/synonyms>.
MLASmart Define. "opaque thesaurus" 29 February 2016. Web. 28 September 2026. <https://smartdefine.org/opaque/thesaurus/synonyms>