fireproof








adjective

  1. resistant to destruction by fire.
  2. totally or almost totally unburnable.

verb (used with object)

  1. to make fireproof.

adjective

  1. capable of resisting damage by fire

verb

  1. (tr) to make resistant to fire
adj.

1630s, from fire (n.) + proof. As a verb, from 1867. Related: Fireproofed; fireproofing.

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