- able to resist the explosive force of bombs and shells; "bombproof shelter"
- bomb shelter: a chamber (often underground) reinforced against bombing and provided with food and living facilities; used during air raids
- make safe against bombings
- An air-raid shelter, a structure designed to give protection against air raids and bombs; Sufficiently strong to resist the effects of a blast from a bomb
- A hold or anchor that is thought to offer the utmost security; for example, a top-rope anchor around a large, stable tree trunk or immovable boulder.
- adj. Very secure, unlikely to move even when subjected to great force.
- A field fortification which was made to absorb the shock of artillery strikes. It was constructed of heavy timbers and its roof was covered with soil. See image »
- A shelter from artillery attack; those not exposed to danger.
- A horse that doesn't frighten or spook. An especially reliable horse is sometimes described as '100% bomb proof'. See also 'Old War Horse' below.
- a structure designed to provide security against artillery fire.
- When a piece of gear you’ve placed is solid and reliable.
- A completely reliable anchor; also called a bomber
- illusion that anchor, pack etc. is indestructible
- a horse that won’t spook.