127 entries under obscure topic. ×

2
unclear(adjective, hard, delicate, loose)
2
unfrequented(adjective, close, quiet, separate)
1
Delphian(adjective, evil, strange, deep)
1
abnormal(adjective, dark, superior, detached)
1
acroamatic(complex, deep, mysterious, abstruse)
1
bewildering(hard, sophisticated, tricky, complicated)
1
celestial(dark, superior, mysterious, supernatural)
1
complex(adjective, hard, difficult, delicate)
1
complicated(adjective, hard, evil, difficult)
1
difficult(adjective, hard, dark, heavy)
1
entangled(hard, sophisticated, tricky, complicated)
1
equivocal(cover, dark, strange, inexplicable)
1
fairy(dark, superior, mysterious, supernatural)
1
ghostly(dark, superior, mysterious, supernatural)
1
heavenly(dark, superior, mysterious, supernatural)
1
incog(new, remote, mysterious, secret)
1
indirect(adjective, latent, oblique)
1
intricate(adjective, hard, evil, difficult)
1
involved(complex, sophisticated, complicated, indirect)
1
knotty(adjective, hard, evil, difficult)
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APASmart Define. (2015). hidden thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/hidden/thesaurus/synonyms
ChicagoSmart Define. 2015. "hidden thesaurus" https://smartdefine.org/hidden/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, hidden thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/hidden/thesaurus/synonyms>.
MLASmart Define. "hidden thesaurus" 10 April 2015. Web. 27 September 2026. <https://smartdefine.org/hidden/thesaurus/synonyms>