fireproof

[fahyuhr-proof]

adjective

1. resistant to destruction by fire.

2. totally or almost totally unburnable.

verb (used with object)

1. to make fireproof.

fireproof

/ ˈfaɪəˌpruːf /

adjective

1. capable of resisting damage by fire

verb

1. (tr) to make resistant to fire

Other Word Forms

• nonfireproof adjective
• quasi-fireproof adjective

Word History and Origins

Origin of fireproof¹

First recorded in 1630–40; fire + -proof

Example Sentences

Mesh material and plastic sheets which were found on the outside of the buildings are not believed to be fireproof, while polystyrene was also found on the buildings' windows.

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The housing equivalent of herd immunity, where enough homes are fireproof that the entire community can be protected against future fires.

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Price hikes in notoriously opaque power markets can stem from transmission upgrades, volatile commodity costs and expensive fireproofing measures, factors that vary by region.

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The system, which teams can make to their individual designs, typically features a liquid such as glycol pumped through a tank of dry ice and through the driver's fireproof top.

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Temperatures in the cockpit of an F1 car can be more than 40C, and drivers are wearing several layers of fireproof clothing in addition to a balaclava and helmet, so overheating is a serious concern.

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