English Reference

Word

fireproof

Phoneticsfire·proof

US/ˈfaɪɝˌpɹuf/

UK/fˈaɪəpɹuːf/

Definition

v. describing something that cannot catch fire or burn. You use this to talk about materials or buildings that are safe from flames.

v. resistant to or incapable of being ignited by fire. Often used to describe construction materials or safety equipment designed to prevent the spread of flames.

Examples

“The new office building is made of fireproof glass.”

“The kitchen cabinets are made of fireproof materials to protect the home from accidental kitchen fires.”

“While the exterior of the skyscraper is fireproof, the interior wiring must still be inspected regularly to ensure that electrical faults do not compromise the structural integrity of the building.”

Examples

simple

“The new office building is made of fireproof glass.”

contextual

“The kitchen cabinets are made of fireproof materials to protect the home from accidental kitchen fires.”

complex

“While the exterior of the skyscraper is fireproof, the interior wiring must still be inspected regularly to ensure that electrical faults do not compromise the structural integrity of the building.”

Real-World Examples

“Also, they usually include a fireproof ID medallion that crematory operators attach to the body before burning.”
Los Angeles Times 4 Mar 2025

Etymology

From fire + -proof.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

Word family

VERB

fireproof(B2)

This entry

Exam level
CambridgeCambridgeCambridge English QualificationsThe exam suite from Cambridge University Press & Assessment, from A1 Movers up to C2 Proficiency. The benchmark names double as CEFR labels.B2 FirstIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.5.5–6.5TOEFL iBTTOEFL iBTTest of English as a Foreign Language, Internet-Based TestETS's academic English test, the standard route for US university admissions. Scored 0–120, with a 1–6 scale since 2026.1–6 scale: 4.0–4.572–94TOEICTOEICTest of English for International CommunicationETS's workplace English test, big in Japan and Korea. Listening & Reading scores 10–990 and tops out at C1.785–944
Frequency
Occasional
Level
B2 · Upper Intermediate
Updated

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