Wiktionary
a. (alternative spelling of fireproof English)
Usage examples of "fire-proof".
Why, a pile of greenbacks which John had thoughtlessly put away in a fire-proof safe.
There is a computer database on all eighty thousand subsamples, and handwritten notes and photographs on each one are stored in a fire-proof vault.
I replied, with all due deference to his experience (but with more deference, I am afraid, to his being Dora's father), that perhaps it was a little nonsensical that the Registry of that Court, containing the original wills of all persons leaving effects within the immense province of Canterbury, for three whole centuries, should be an accidental building, never designed for the purpose, leased by the registrars for their Own private emolument, unsafe, not even ascertained to be fire-proof, choked with the important documents it held, and positively, from the roof to the basement, a mercenary speculation of the registrars, who took great fees from the public, and crammed the public's wills away anyhow and anywhere, having no other object than to get rid of them cheaply.