(adjective, verb)


1. impervious to damage by fire

Similar word(s): incombustible, noncombustible

Sentences with fireproof as an adjective:

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


1. make resistant to fire

Definition categories: change, proof

Sentences with fireproof as a verb:

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