47 entries under theoretical topic. ×

20
incorporeal(adjective, form, body, abstract, heavenly)
19
unsubstantial(adjective, form, body, light, weak)
16
insubstantial(adjective, body, light, weak, slight)
15
intangible(adjective, form, light, weak, slight)
15
spiritual(adjective, form, body, rational, intellectual)
14
bodiless(adjective, form, body, abstract, heavenly)
13
unreal(adjective, gentle, fake, negative, intellectual)
12
metaphysical(adjective, form, body, light, weak)
11
impalpable(adjective, form, false, abstract, heavenly)
10
nonmaterial(adjective, form, supernatural, abstract, heavenly)
10
nonphysical(adjective, form, body, supernatural, abstract)
8
unearthly(adjective, form, abstract, heavenly)
7
supernatural(adjective, form, intellectual, abstract, mental)
6
discarnate(adjective, form, body, supernatural, abstract)
4
unfleshly(adjective, form, supernatural, abstract, heavenly)
3
abstract(adjective, rational, intellectual, supernatural, spiritual)
2
intellectual(adjective, rational, supernatural, abstract, mental)
2
numinous(adjective, abstract, spiritual, abstruse)
2
preternatural(adjective, intellectual, supernatural, abstract, mental)
2
unphysical(abstract, religious, sacred, abstruse)
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APASmart Define. (2015). immaterial thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/immaterial/thesaurus/synonyms
ChicagoSmart Define. 2015. "immaterial thesaurus" https://smartdefine.org/immaterial/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, immaterial thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/immaterial/thesaurus/synonyms>.
MLASmart Define. "immaterial thesaurus" 13 April 2015. Web. 25 September 2026. <https://smartdefine.org/immaterial/thesaurus/synonyms>