Definitions
There is 1 meaning of the phrase
Master Key.
Master Key - as a noun
Key that secures entrance everywhere
Synonyms (Exact Relations)
masterpasse-partoutpasskeyHypernyms (Closely Related)
keyHyponyms (Broadly Related)
Example Sentences
"I lost the master key to my house and now I can't get in."
"The master key was used to unlock all the doors in the building."
"The janitor carries a master key to access every room in the school."
"The master key is kept securely in the manager's office."
"The detective found a master key at the crime scene."