5
psychical(adjective, rational, intellectual, supernatural, mental)
4
asomatous(adjective, form, pure, refined, heavenly)
4
conceptual(adjective, rational, intellectual, cerebral, psychological)
4
evanescent(adjective, slight, small, unimportant, insubstantial)
4
extramundane(religious, sacred, holy, immateriality)
4
extrinsic(adjective, extraneous)
4
fanciful(light, weak, slight, excellent, gentle)
4
flimsy(adjective, light, weak, slight, thin)
4
inapposite(adjective, insignificant, unimportant, trivial, remote)
4
incidental(mean, slight, small, insignificant, unimportant)
4
inconsequent(adjective, light, small, insignificant, inadequate)
4
insensible(adjective, form, heavenly, insubstantial, imperceptible)
4
light(adjective, weak, slight, thin, small)
4
meaningless(adjective, mean, slight, lower, value)
4
orthogonal
4
phantom
4
small(adjective, mean, light, slight, lower)
4
subjective(adjective, form, rational, intellectual, heavenly)
4
unfleshly(adjective, form, supernatural, abstract, heavenly)
4
vaporous(adjective, negative, airy, absent, vacant)
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APASmart Define. (2015). immaterial thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/immaterial/thesaurus/synonyms
ChicagoSmart Define. 2015. "immaterial thesaurus" https://smartdefine.org/immaterial/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, immaterial thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/immaterial/thesaurus/synonyms>.
MLASmart Define. "immaterial thesaurus" 13 April 2015. Web. 24 September 2026. <https://smartdefine.org/immaterial/thesaurus/synonyms>