3
alchemistical
2
intellectual
2
mysterious(adjective, secret, concealed)
1
abstruse(strange, unknown, curious, concealed, inexplicable)
1
alchemist
1
arcane
1
astrological(strange, unknown, curious, concealed, inexplicable)
1
cabalistic
1
concealed(strange, unknown, curious, inexplicable, unexplained)
1
covert(adjective, strange, unknown, curious, concealed)
1
cryptic
1
curious(strange, unknown, concealed, inexplicable, unexplained)
1
difficult
1
enigmatic
1
enigmatical
1
equivocal(strange, unknown, curious, concealed, inexplicable)
1
esoteric
1
furtive(strange, unknown, curious, concealed, inexplicable)
1
hidden
1
impenetrable
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APASmart Define. (2013). alchemistic thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/alchemistic/thesaurus/synonyms
ChicagoSmart Define. 2013. "alchemistic thesaurus" https://smartdefine.org/alchemistic/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2013, alchemistic thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/alchemistic/thesaurus/synonyms>.
MLASmart Define. "alchemistic thesaurus" 18 May 2013. Web. 21 September 2026. <https://smartdefine.org/alchemistic/thesaurus/synonyms>