fireproof

/ˈfaɪərˌpruːf/

adjective

  1. made or treated so that fire cannot easily damage it or spread through it

    B1

    often before a noun; not usually comparative

    • "The box is fireproof."A2
    • "Important papers are kept in a fireproof safe."B1
    • "They used fireproof materials in the kitchen."B1
    • "The building's fireproof cladding is designed to slow the spread of flames."C1

verb

  1. to make something fireproof by treating, covering, or building it so that it resists fire

    B2

    transitive; often used in the passive

    • "They fireproofed the wooden beams before construction began."B2
    • "The curtains have been fireproofed to meet safety standards."C1
    • "The company fireproofs its protective clothing with a special coating."C1
    • "The archive was fireproofed at considerable expense."C2

Collocations

fireproof materialfireproof safefireproof clothingfireproof doorfireproof coating

Word family

fireproofingfireproofed