Concrete and Unsubstantial

Opposite meaning words

Concrete adjective - Relating to or composed of matter.

Usage example: concrete objects like rocks and trees

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Unsubstantial is an antonym for concrete.

Unsubstantial adjective - Not composed of matter.

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Concrete is an antonym for unsubstantial.

Nearby Word: unsubstantially

Cite this Source

Unsubstantial and Concrete. (2016). Retrieved 2026, August 07, from https://thesaurus.plus/related/concrete/unsubstantial

Concrete & Unsubstantial. N.p., 2016. Web. 07 Aug. 2026. <https://thesaurus.plus/related/concrete/unsubstantial>.

Unsubstantial or Concrete. 2016. Accessed August 07, 2026. https://thesaurus.plus/related/concrete/unsubstantial.

Google Ngram Viewer shows how "concrete" and "unsubstantial" have occurred on timeline