47 entries under theoretical topic. ×

1
esoteric(abstract, abstruse, philosophical)
1
eternal(abstract, abstruse, philosophical)
1
fundamental(abstract, abstruse, philosophical)
1
high-flown(abstract, abstruse, philosophical)
1
ideal(abstract, abstruse, philosophical)
1
intellectual(abstract, abstruse, philosophical)
1
jesuitic(abstract, abstruse, philosophical)
1
mystical(abstract, abstruse, philosophical)
1
oversubtle(abstract, abstruse, philosophical)
1
philosophical(abstract, abstruse)
1
preternatural(abstract, abstruse, philosophical)
1
profound(abstract, abstruse, philosophical)
1
recondite(abstract, abstruse, philosophical)
1
superhuman(abstract, abstruse, philosophical)
1
superior(abstract, abstruse, philosophical)
1
supermundane(abstract, abstruse, philosophical)
1
suprahuman(abstract, abstruse, philosophical)
1
supramundane(abstract, abstruse, philosophical)
1
supranatural(abstract, abstruse, philosophical)
1
transcendental(abstract, abstruse, philosophical)
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APASmart Define. (2015). nonphysical thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/nonphysical/thesaurus/synonyms
ChicagoSmart Define. 2015. "nonphysical thesaurus" https://smartdefine.org/nonphysical/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, nonphysical thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/nonphysical/thesaurus/synonyms>.
MLASmart Define. "nonphysical thesaurus" 14 April 2015. Web. 27 September 2026. <https://smartdefine.org/nonphysical/thesaurus/synonyms>