fireproofing fireproof • fireproofness · · · Info · Definitions · Characters · · fireproofing · · Text Latin · · Script 12 · · Length Definitions · · · (verb) make resistant to fire. Synonyms: fireproof. · · Verb Definition 1 Characters · · e latin small letter e U+0065 f latin small letter f U+0066 g latin small letter g U+0067 i latin small letter i U+0069 n latin small letter n U+006E o latin small letter o U+006F p latin small letter p U+0070 r latin small letter r U+0072