transitive verbfire·proofed, fire·proof·ing, fire·proofs
(comparative more fireproof, superlative most fireproof)
(third-person singular simple present fireproofs, present participle fireproofing, simple past and past participle fireproofed)
- 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.