Sufficiently strong to resist the effects of a blast from a bomb.
To make resistant to bomb blasts.
An air-raid shelter, a structure designed to give protection against air raids and bombs.
Covered with iron, steel, or some metal; armor-plated.
Solid or certain; not able to be disputed or questioned; irrefutable.
Rigorous; severe; exacting.
Stubborn; inflexible.
An armor-plated warship, (especially) one preceding the invention of harveyized steel.
A metal-plated ship, vessel, or vehicle.