56 entries under adjective topic. ×

12
immaterial(form, important, useful, irrelevant)
6
unworldly(refined, spiritual)
5
mental
4
abstract(theoretical, conceptual)
3
ethereal
3
incorporeal
3
intangible
3
irrelevant
3
insubstantial
3
metaphysical(physical, obvious, presence)
2
unimportant
2
airy
2
frivolous
2
insignificant
2
petty
2
slight
2
spiritual
2
trifling
2
good
2
ideal(common, impractical, uncharacteristic, conceptual)
<123>
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APASmart Define. (2016). material thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/material/thesaurus/antonyms
ChicagoSmart Define. 2016. "material thesaurus" https://smartdefine.org/material/thesaurus/antonyms (accessed September 22, 2026).
HarvardSmart Define 2016, material thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/material/thesaurus/antonyms>.
MLASmart Define. "material thesaurus" 29 March 2016. Web. 22 September 2026. <https://smartdefine.org/material/thesaurus/antonyms>