flameproof

English

Etymology

flame +‎ -proof

Adjective

flameproof (comparative more flameproof, superlative most flameproof)

1. Resistant to catching fire.

Synonyms

• fireproof

Verb

flameproof (third-person singular simple present flameproofs, present participle flameproofing, simple past and past participle flameproofed)

1. (transitive) To make flameproof.
   • 1960 September, M. J. Wilson, “Harlow Town station opened”, in Trains Illustrated, page 542:

     Structural timber in the roofs throughout the station has been flameproofed.

References

• “flameproof”, in Lexico, Dictionary.com; Oxford University Press, 2019–2022.