1. able to resist or withstand fire; not easily burned or damaged by fire

1. to make something resistant to fire or flame

Examples

• The new building has fireproof walls made of concrete and steel.
• She stored important documents in a fireproof safe.
• The theater curtains are made of fireproof material.
• Workers fireproofed the wooden beams with special chemicals.
• The fireproof door prevented the flames from spreading.
• They need to fireproof the attic before winter.
• His fireproof suit protected him during the rescue operation.