45 entries under theoretical topic. ×

1
high-flown(abstract, abstruse, philosophical)
1
ideal(abstract, abstruse, philosophical)
1
immaterial(abstract, abstruse, philosophical)
1
impalpable(abstract, abstruse, philosophical)
1
incorporeal(abstract, abstruse, philosophical)
1
insubstantial(abstract, abstruse, philosophical)
1
intangible(abstract, abstruse, philosophical)
1
intellectual(sound, deep, thoughtful, abstract, cultured)
1
jesuitic(abstract, abstruse, philosophical)
1
nonmaterial(abstract, abstruse, philosophical)
1
nonphysical(abstract, abstruse, philosophical)
1
oversubtle(abstract, abstruse, philosophical)
1
philosophic(adjective, sound, knowledgeable, abstract, cultured)
1
superior(abstract, abstruse, philosophical)
1
supermundane(abstract, abstruse, philosophical)
1
suprahuman(abstract, abstruse, philosophical)
1
unfleshly(abstract, abstruse, philosophical)
1
universal(abstract, abstruse, philosophical)
1
unphysical(abstract, abstruse, philosophical)
1
unreal(abstract, abstruse, philosophical)
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APASmart Define. (2015). esoteric thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/esoteric/thesaurus/synonyms
ChicagoSmart Define. 2015. "esoteric thesaurus" https://smartdefine.org/esoteric/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, esoteric thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/esoteric/thesaurus/synonyms>.
MLASmart Define. "esoteric thesaurus" 30 July 2015. Web. 24 September 2026. <https://smartdefine.org/esoteric/thesaurus/synonyms>