43 entries under philosophical topic. ×

10
immaterial(adjective, form, supernatural, abstract, heavenly)
9
insubstantial(adjective, abstract, theoretical, abstruse)
7
unsubstantial(adjective, abstract, heavenly, theoretical, abstruse)
6
nonphysical(adjective, supernatural, abstract, heavenly, airy)
5
bodiless(adjective, abstract, heavenly, theoretical, abstruse)
5
discarnate(adjective, supernatural, abstract, heavenly, airy)
3
unreal(adjective, abstract, theoretical, abstruse)
2
impalpable(abstract, heavenly, theoretical, abstruse)
2
supernatural(abstract, heavenly, theoretical, abstruse)
2
unearthly(abstract, heavenly, theoretical, abstruse)
2
unfleshly(adjective, supernatural, abstract, heavenly, airy)
2
unphysical(abstract, theoretical, religious, sacred, abstruse)
1
abstract(theoretical, abstruse)
1
abstruse(abstract, theoretical)
1
deep(abstract, theoretical, abstruse)
1
difficult(abstract, theoretical, abstruse)
1
esoteric(abstract, theoretical, abstruse)
1
eternal(abstract, theoretical, abstruse)
1
fundamental(abstract, theoretical, abstruse)
1
high-flown(abstract, theoretical, abstruse)
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APASmart Define. (2015). nonmaterial thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/nonmaterial/thesaurus/synonyms
ChicagoSmart Define. 2015. "nonmaterial thesaurus" https://smartdefine.org/nonmaterial/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, nonmaterial thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/nonmaterial/thesaurus/synonyms>.
MLASmart Define. "nonmaterial thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/nonmaterial/thesaurus/synonyms>