Immaterial and Substantial

Opposite meaning words

Immaterial adjective - Not composed of matter.

Usage example: it is only possible to study immaterial forces like gravity by observing their effects on the physical world

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Substantial is an antonym for immaterial in topics: irrelevant, not existing in physical form.

Substantial adjective - Relating to or composed of matter.

Usage example: the Land of Oz turned out to be a world of dreams, even less substantial than a rainbow

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Immaterial is an antonym for substantial.

Cite this Source

Substantial and Immaterial. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/immaterial/substantial

Immaterial & Substantial. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/immaterial/substantial>.

Substantial or Immaterial. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/immaterial/substantial.

Google Ngram Viewer shows how "immaterial" and "substantial" have occurred on timeline