Fireproof

adj, verb

adj, verb ·3 syllables ·Uncommon ·Advanced level

Definitions

Verb
  1. 1
    To make resistant to damage from fire.

    "I hastily fireproofed my clothing somewhat by pouring a bucket of water over myself before dashing into the flames."

  2. 2
    make resistant to fire wordnet
Adjective
  1. 1
    Resistant to damage from fire.

    "The fireproof safe will protect documents inside for up to four hours in a standard house fire."

Adjective
  1. 1
    impervious to damage by fire wordnet

Synonyms

All synonyms
airtightballproofbombproofbulletproofburglarproofcorrosionproof

Example

More examples

"The fireproof safe will protect documents inside for up to four hours in a standard house fire."

Etymology

From fire + -proof.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.