pickproof
/ˈpɪkˌpruːf/
adjective
- Designed to be very difficult or impossible to open with a lock pick or similar tool.
- Many high-security safes use pickproof mechanisms to protect valuables.
- The new lock is advertised as pickproof, so burglars cannot easily open it.
- She installed a pickproof deadbolt on her front door for extra security.
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