bombproof
- n a chamber (often underground) reinforced against bombing and provided with food and living facilities; used during air raids
- v make safe against bombings
- s able to resist the explosive force of bombs and shells
bombproof shelter
- Staff work for possible use of armed force to retake Suez, according to the Brombergers, was begun in a secret bombproof bunker beneath the Thames in early September.
- Last week the President: Asked $4,700,000 for fleet-operating facilities and bombproof shelters at Guam.
- Szigeti has spent most of his musical life in London and Pariswhere he had to leave most of his possessions in a bombproof shelter.