Flammable and Fireproof

Opposite meaning words

Flammable adjective - Capable of catching or being set on fire.

Usage example: avoid wearing loose flammable clothing when using the blowtorch

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Fireproof is an antonym for flammable in topics: combustible, easily set afire.

Fireproof adjective - Incapable of being burned.

Usage example: remember to store valuable papers in a fireproof box

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Flammable is an antonym for fireproof.

Cite this Source

Fireproof and Flammable. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/flammable/fireproof

Flammable & Fireproof. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/flammable/fireproof>.

Fireproof or Flammable. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/flammable/fireproof.

Google Ngram Viewer shows how "flammable" and "fireproof" have occurred on timeline