Flameproof (adjective)

Resistant to catching fire or burning, or treated to make it resistant to fire.

Origin:

From "flame" and "proof" which refers to the ability to resist or prevent fire.

Examples:

1. The curtains in the room were flameproof to prevent any fire hazard.
2. The building was constructed with flameproof materials to ensure safety.
3. The new technology made the fabric flameproof.
4. The flameproof coating on the wires prevents fire from spreading.
5. The flameproof suit protected the worker from any fire accidents.