10
indifferent(adjective, slight, lower, value, inferior)
10
nonmaterial(adjective, form, supernatural, abstract, heavenly)
10
nonphysical(adjective, form, body, supernatural, abstract)
9
inappropriate(adjective, obscure, insignificant, unimportant, trivial)
9
trifling(adjective, mean, light, slight, lower)
8
foreign(adjective, obscure, insignificant, unimportant, trivial)
8
illusory(adjective, light, weak, slight, thin)
8
imaginary(adjective, light, weak, slight, gentle)
8
petty(adjective, mean, light, weak, slight)
8
shadowy(adjective, form, gentle, negative, heavenly)
8
slight(adjective, mean, light, weak, lower)
8
unearthly(adjective, form, abstract, heavenly, theoretical)
7
ghostly(adjective, form, heavenly, spiritual, religious)
7
inconsiderable(adjective, mean, slight, lower, value)
7
inessential(adjective, insignificant, unimportant, inconsequential, irrelevant)
7
negligible(adjective, mean, light, slight, lower)
7
psychic(adjective, form, rational, intellectual, heavenly)
7
spectral(adjective, form, heavenly, unsubstantial, incorporeal)
7
supernatural(adjective, form, intellectual, abstract, mental)
6
aerial(adjective, form, light, weak, slight)
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APASmart Define. (2015). immaterial thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/immaterial/thesaurus/synonyms
ChicagoSmart Define. 2015. "immaterial thesaurus" https://smartdefine.org/immaterial/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, immaterial thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/immaterial/thesaurus/synonyms>.
MLASmart Define. "immaterial thesaurus" 13 April 2015. Web. 22 September 2026. <https://smartdefine.org/immaterial/thesaurus/synonyms>