70 entries under concealed topic. ×

4
obscured(adjective, secret, unknown, hidden)
4
shadowy(adjective, obscure, happy, perfect, dark)
4
unnatural(adjective, unusual, strange, odd, secret)
4
veiled(adjective, obscure, strange, deep, secret)
3
enigmatical(adjective, hard, obscure, delicate, solid)
3
private(adjective, obscure, secret, reticent, unknown)
3
secluded(adjective, obscure, dark, secret, unknown)
3
secretive(adjective, strange, secret, private, reticent)
3
symbolic(adjective, secret)
3
underground(adjective, obscure, secret, unknown, hidden)
2
clandestine(adjective, quiet, secret, unknown, hidden)
2
clouded(adjective, obscure, dark, secret, private)
2
covered(obscure, secret, unknown, hidden)
2
eclipsed(obscure, dark, secret, unknown, hidden)
2
necromantic(adjective, extraordinary, unusual, strange, wonderful)
2
sequestered(obscure, dark, secret, unknown, hidden)
2
shrouded(adjective, obscure, secret, unknown, hidden)
2
subjective(adjective, heavy, strange, rational, intellectual)
2
surreptitious(adjective, quiet, secret, unknown, hidden)
2
unexposed(obscure, dark, secret, unknown, hidden)
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APASmart Define. (2016). mysterious thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/mysterious/thesaurus/synonyms
ChicagoSmart Define. 2016. "mysterious thesaurus" https://smartdefine.org/mysterious/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, mysterious thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/mysterious/thesaurus/synonyms>.
MLASmart Define. "mysterious thesaurus" 24 February 2016. Web. 28 September 2026. <https://smartdefine.org/mysterious/thesaurus/synonyms>