1. constructed or reinforced to withstand bomb explosions and blasts

1. past tense and past participle of bombproof; to make (a structure) resistant to bomb explosions

Examples

• The government bombproofed the embassy after the attack.
• The bunker was bombproofed with thick concrete walls.
• During wartime, many buildings were bombproofed to protect civilians.
• The facility's bombproofed design made it one of the most secure locations in the city.
• Engineers bombproofed the underground shelter with reinforced steel and concrete.
• The bombproofed vault could withstand direct hits from conventional weapons.