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fireproof

adjectiveB2+Rare in speech; mostly a word you read · #13,231 of 15,258leans written

Fireproof means able to survive flame without burning. A fireproof safe, fireproof material, fireproof the building.

Almost nothing truly is, which is why the trade now says fire-resistant and rates things by how long they last. A fireproof safe is rated in minutes at a stated temperature, not in absolutes.

Achim Hering · Public domain

Definitions of fireproof

  1. 1adjectivefireproofAble to survive flame without burning.B2+

    “Keep your passport and important papers in a fireproof box.”

fireproof is a quality.

Where it comes from

  1. Middle English

    fyr

  2. English

    fire

  3. English, today

    fireproof

From fire + -proof. fire comes from Middle English fyr. From Middle English fyr, from Old English fȳr (“fire”), from Proto-West Germanic fuir, from fuïr, a regularised form of Proto-Germanic fōr (“fire”), ultimately from Proto-Indo-European péh₂wr̥. 2

Etymology from Wiktionary, CC BY-SA

Practised in Materials & Substances

Practise this word

fireproof in the wild

  • The term "fireproofing" may be used in conjunction with standards, as reflected in common North American construction specifications.

    Fireproofing

From Wikipedia, CC BY-SA 4.0. These sentences were written by other people about their own subjects; they are here to show the word at work, not as anybody’s opinion.

Related words

  • fire
  • afire
  • fiery
  • fireman