1
foreign-born(adjective, extraneous)
1
frothy(adjective, slight, lower, value, inferior)
1
fundamental(abstract, theoretical, abstruse, philosophical)
1
gossamery
1
heavy(rational, intellectual, supernatural, spiritual, psychic)
1
high-flown(abstract, theoretical, abstruse, philosophical)
1
hyperphysical
1
hypothetical(negative, intellectual, abstract, insubstantial, theoretical)
1
ideal(adjective, fake, false, fantastic, intellectual)
1
ideological(rational, intellectual, supernatural, spiritual, psychic)
1
imaginative(rational, intellectual, supernatural, spiritual, psychic)
1
immaterially
1
immaterialness
1
immateriate
1
imperceptible
1
imprecise
1
impressible(adjective, intellectual, supernatural, mental, spiritual)
1
impressionable(adjective, intellectual, supernatural, mental, spiritual)
1
impudent
1
inadequate(light, small, insignificant, unimportant, trivial)
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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>