72 entries under dark topic. ×

3
unfathomable(adjective, obscure, superior, strange)
2
impenetrable(adjective, obscure, superior, strange)
2
supernatural(adjective, obscure, strange, odd)
2
unintelligible(adjective, obscure, superior, uncertain)
2
unknowable(adjective, obscure, superior, strange)
1
Delphian(adjective, evil, obscure, uncertain)
1
abnormal(obscure, superior, mysterious, supernatural)
1
celestial(obscure, superior, mysterious, supernatural)
1
difficult(adjective, hard, obscure, heavy)
1
equivocal(strange, uncertain, mysterious, inexplicable)
1
fairy(obscure, superior, mysterious, supernatural)
1
ghostly(obscure, superior, strange, odd)
1
heavenly(obscure, superior, mysterious, supernatural)
1
inexplicable(adjective, obscure, strange, uncertain)
1
legendary(obscure, superior, mysterious, supernatural)
1
metaphysical(obscure, mysterious, supernatural, heavenly)
1
miraculous(obscure, superior, mysterious, supernatural)
1
mythical(obscure, superior, mysterious, supernatural)
1
mythological(obscure, superior, mysterious, supernatural)
1
numinous(obscure, superior, mysterious, supernatural)
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APASmart Define. (2016). secret thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/secret/thesaurus/synonyms
ChicagoSmart Define. 2016. "secret thesaurus" https://smartdefine.org/secret/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, secret thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/secret/thesaurus/synonyms>.
MLASmart Define. "secret thesaurus" 31 March 2016. Web. 26 September 2026. <https://smartdefine.org/secret/thesaurus/synonyms>