4
impenetrable(adjective, obscure, difficult, strange, deep)
4
privy
3
Orphic(adjective, obscure, complex, deep, thoughtful)
3
Sibylline(adjective, obscure, mysterious)
3
abstract(adjective, hard, delicate, complex, theoretical)
3
anagogic(adjective, evil, deep, mysterious, secret)
3
central(adjective, private, mental, inner)
3
certain
3
close(obscure, dark, secret, unknown, hidden)
3
deep-rooted(adjective, private, mental, inner)
3
definite
3
determinate
3
doubtful
3
eerie(obscure, deep, mysterious)
3
emotional(adjective, private, mental, inner)
3
especial
3
essential(adjective, private, mental, inner)
3
exceptional
3
focal(adjective, private, mental, inner)
3
gut(adjective, private, mental, inner)
11 years ago|17k views|share |citing 
APASmart Define. (2015). esoteric thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/esoteric/thesaurus/synonyms
ChicagoSmart Define. 2015. "esoteric thesaurus" https://smartdefine.org/esoteric/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, esoteric thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/esoteric/thesaurus/synonyms>.
MLASmart Define. "esoteric thesaurus" 30 July 2015. Web. 22 September 2026. <https://smartdefine.org/esoteric/thesaurus/synonyms>