248 entries under dark topic. ×

14
unfathomable(adjective, hard, difficult, solid)
14
veiled(adjective, dull, dim, secret)
12
unintelligible(adjective, hard, rough, difficult, solid)
12
ill-defined(adjective, weak, rough, uncertain)
12
inscrutable(adjective, strange, sophisticated, mysterious)
12
remote(adjective, quiet, cover, weak)
12
tenebrous(adjective, dull, rough, difficult)
11
blind(verb, adjective, dull, close, cover)
11
equivocal(adjective, cover, clear, rough, difficult)
11
perplexing(adjective, hard, rough, difficult)
11
secluded(adjective, near, distant, remote)
10
dismal(adjective, sadness, gloom, unclear)
10
turbid(adjective, gloomy, cloudy, muddy)
10
uncertain(adjective, clear, rough, difficult)
9
caliginous(adjective, dull, light, gloomy)
9
dense(adjective, solid, gloomy, gray)
9
dusk(adjective, dull, gloomy, dim)
9
unlit(verb, adjective, dull, soft, flat)
7
inexact(adjective, weak, rough, dim)
7
invisible(adjective, superior, deep, mysterious)
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APASmart Define. (2016). obscure thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/obscure/thesaurus/synonyms
ChicagoSmart Define. 2016. "obscure thesaurus" https://smartdefine.org/obscure/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2016, obscure thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/obscure/thesaurus/synonyms>.
MLASmart Define. "obscure thesaurus" 29 March 2016. Web. 27 September 2026. <https://smartdefine.org/obscure/thesaurus/synonyms>