Master Key (Noun)
Meaning
Key that secures entrance everywhere.
Classification
Nouns denoting man-made objects.
Examples
- The IT manager kept the master key safe, as it gave her access to all the restricted areas in the company building.
- Having a master key was essential for the facilities staff to respond to after-hours emergencies on campus.
- She inherited the old mansion and found the master key that unlocked every door in the estate, revealing a world of hidden passages.
- Only a handful of executives possessed a master key to the corporate jet's secured entrance, making travel much easier.
- Maintenance workers always carry a master key that fits all locks on school doors and facilities, so they can easily make repairs and updates.