Definition of fireproof in US English:



  • Able to withstand fire or great heat.

    ‘a fireproof dish’
    • ‘Emergency exits must be made of fireproof materials and must be clear of any obstructions, and must be illuminated at all times.’
    • ‘On top of shortages in basic equipment like ladders, fireproof clothing and pumps, at least 22 new fire engines and other vehicles are required now and 35 auxiliary fire stations need upgrading.’
    • ‘The drivers and co-drivers, for their part, are kitted out from head to toe in fireproof overalls, gloves and shoes and a helmet.’
    • ‘To ensure that it is earthquake proof and fireproof, the whole structure should be made of steel, which makes its price several times higher than that of ordinary high buildings.’
    • ‘Grease a fireproof dish, place a layer of potatoes in it, cover with apple and a little sage, season lightly and sprinkle with cheese, repeat layers leaving potatoes and cheese to cover.’
    • ‘The proposal is seen as the only option left to bail out the cash - starved Highlands and Islands Fire Service which is short of equipment such as ladders, breathing apparatus, cutting equipment, fireproof clothing and pumps.’
    • ‘You may want to invest in shelving and file cabinets and fireproof storage units.’
    • ‘High-quality sprinkler systems and new fireproof roofing materials, for example, can reduce the chance of fire.’
    • ‘Keep the originals in a home safe or other waterproof, fireproof container.’
    • ‘Asbestos, a fireproof fibrous mineral, has been banned from construction by the government since 1996.’
    • ‘Application of preservatives has made these houses fireproof.’
    • ‘The community has adopted the Homeowners Fire Smart Manual, with many residents replacing cedar shingles and combustible siding with fireproof materials, he said.’
    • ‘We had to take out all the office remnants - the partitions and the fireproof ceiling.’
    • ‘It made great insulation, in particular as fireproof packing in boilers.’
    • ‘Put everything in a waterproof, fireproof box and know where it is.’
    • ‘The Scouting team, who stayed at the orphanage for a week, worked to make the home more fireproof and carried out repairs.’
    • ‘Forum members debated how they could encourage all property owners to make sure that their roof spaces are divided from neighbouring properties by fireproof barriers.’
    • ‘Built of reinforced cement concrete, the house is fireproof.’
    • ‘As he arrived he saw neighbours being forced back from the house by the intense heat of the inferno, and dashed towards the end terrace house without stopping to put on any protective fireproof clothing or his breathing gear.’
    • ‘Thrice a day, the performers have been taking to the stage under the massive fireproof tents, which can accommodate up to 2,500 viewers.’
    non-flammable, non-inflammable, incombustible, unburnable, fire resistant, flame resistant, flame retardant, heatproof
    View synonyms


[with object]
  • Make (something) fireproof.

    ‘nearby museum buildings will be fireproofed’
    • ‘He explained that he was fireproofing the doors to the main panels.’
    • ‘A mattress company which fails to meet UK furniture safety standards claims that fireproofing beds is dangerous.’
    • ‘He was concerned about fire and flood, and had his house fireproofed by constructing it with brick vaults.’
    • ‘The Wentworth Group of Scientists last year said that we couldn't droughtproof Australia; can we fireproof it?’
    • ‘We had to fireproof the building, putting in fire doors and fire lights as we have over 30 kids here and we're open most of the day.’
    • ‘An estate plagued by a series of arson attacks has been hit by three more fires, just hours after residents turned out to try and fireproof the area.’
    • ‘If you build a home in a dangerous area and you don't fireproof it, you should not get money from the government to rebuild.’
    • ‘Timber lobbyists and foresters say thin out some national forests as a means of fireproofing them and preventing more superfires; that means cutting trees - lots of them.’
    • ‘Under the Seattle code, steel does not have to be fireproofed if it does not take gravity loads.’
    • ‘Dozens of signal relay rooms like the one destroyed on Sunday are scattered throughout the 722-mile subway system, and it is impossible to fireproof them…’