1. Resistant to damage from fire.
    The fireproof safe will protect documents inside for up to four hours in a standard house fire.
    Synonyms: fire-resistant, flame-retardant, refractory
Translations Verb

fireproof (fireproofs, present participle fireproofing; past and past participle fireproofed)

  1. To make resistant to damage from fire.
    I hastily fireproofed my clothing somewhat by pouring a bucket of water over myself before dashing into the flames.

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