Bombproof and Unsubstantial

Opposite meaning words

Bombproof adjective - Marked by the ability to withstand stress without structural damage or distortion.

Usage example: the manufacturer's bombproof powerboats can take a lot of punishment

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Unsubstantial is an antonym for bombproof.

Unsubstantial adjective - Not composed of matter.

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Bombproof is an antonym for unsubstantial.

Nearby Word: unsubstantially

Cite this Source

Unsubstantial and Bombproof. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/bombproof/unsubstantial

Bombproof & Unsubstantial. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/bombproof/unsubstantial>.

Unsubstantial or Bombproof. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/bombproof/unsubstantial.

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