1
[ adjective ] impervious to damage by fire

Related terms

noncombustible

2
[ verb ] make resistant to fire

Related terms

proof

*

Rhymes with

waterproof shatterproof weatherproof proof foolproof bulletproof rustproof roof sunroof

Phonetic and Homophones

F AY1 ER0 P R UW2 F

Similar Spelling

firepower

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