strongroom

Definitions

A room, typically in a bank, designed to be fireproof and burglar-proof for the storage of valuables.

A secure, reinforced chamber used to protect important documents, money, or precious items.

Examples

The bank manager kept the most valuable documents locked away in the reinforced strongroom.

After the heist, the police discovered that the thieves had failed to breach the heavy steel door of the strongroom.

Synonyms

vault safe strongbox armory treasury fortified room

Antonyms

open space unprotected area vulnerable location public square