Synonyms|585Antonyms|177|Broader|9Narrower|9Related|813

47 entries under theoretical topic. ×

1
abstruse(intellectual, abstract, insubstantial, imperceptible)
1
deep(rational, intellectual, abstract, spiritual)
1
difficult(abstract, abstruse, philosophical)
1
esoteric(abstract, abstruse, philosophical)
1
eternal(abstract, abstruse, philosophical)
1
fundamental(abstract, abstruse, philosophical)
1
high-flown(abstract, abstruse, philosophical)
1
hypothetical(negative, intellectual, abstract, insubstantial)
1
ideal(adjective, fake, false, fantastic, intellectual)
1
jesuitic(abstract, abstruse, philosophical)
1
mystical(abstract, abstruse, philosophical)
1
oversubtle(abstract, abstruse, philosophical)
1
philosophical(intellectual, abstract, abstruse, nonconcrete)
1
profound(abstract, abstruse, philosophical)
1
recondite(intellectual, abstract, abstruse, philosophical)
1
speculative(excellent, gentle, marvelous, vague, abstract)
1
superhuman(abstract, abstruse, philosophical)
1
superior(abstract, abstruse, philosophical)
1
supermundane(abstract, abstruse, philosophical)
1
suprahuman(abstract, abstruse, philosophical)
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APASmart Define. (2015). immaterial thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/immaterial/thesaurus/synonyms
ChicagoSmart Define. 2015. "immaterial thesaurus" https://smartdefine.org/immaterial/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, immaterial thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/immaterial/thesaurus/synonyms>.
MLASmart Define. "immaterial thesaurus" 13 April 2015. Web. 26 September 2026. <https://smartdefine.org/immaterial/thesaurus/synonyms>