39 entries under abstruse topic. ×

1
fundamental(abstract, theoretical, philosophical)
1
high-flown(abstract, theoretical, philosophical)
1
ideal(abstract, theoretical, philosophical)
1
incorporeal(adjective, abstract, theoretical, philosophical)
1
insubstantial(abstract, theoretical, philosophical)
1
intangible(abstract, theoretical, philosophical)
1
jesuitic(abstract, theoretical, philosophical)
1
nonmaterial(abstract, theoretical, philosophical)
1
nonphysical(abstract, theoretical, philosophical)
1
oversubtle(abstract, theoretical, philosophical)
1
philosophical(abstract, theoretical)
1
profound(obscure, deep, mysterious, abstract, weird)
1
recondite(obscure, deep, mysterious, abstract, theoretical)
1
suprahuman(abstract, theoretical, philosophical)
1
theoretical(abstract, philosophical)
1
unfleshly(abstract, theoretical, philosophical)
1
universal(abstract, theoretical, philosophical)
1
unphysical(abstract, theoretical, philosophical)
1
unsubstantial(abstract, theoretical, philosophical)
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APASmart Define. (2016). preternatural thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/preternatural/thesaurus/synonyms
ChicagoSmart Define. 2016. "preternatural thesaurus" https://smartdefine.org/preternatural/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, preternatural thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/preternatural/thesaurus/synonyms>.
MLASmart Define. "preternatural thesaurus" 30 March 2016. Web. 28 September 2026. <https://smartdefine.org/preternatural/thesaurus/synonyms>