Sentence examples for a master key from inspiring English sources

The phrase "a master key" is correct and usable in written English.
It can be used to refer to a key that can open multiple locks or to symbolize a solution that can unlock various problems or situations.
Example: "The new software acts as a master key, allowing users to access all features with a single login."
Alternatives: "universal key" or "key to everything".

Exact(58)

Another aims at finding a master key to youth.

In his fanny pack, he can usually find a master key that opens the plane door.

He said few propose a master key to all communications be held by the state.

Whoever has a master key wants to eat up all of India.

Eventually the hotel staff used a master key to open the door of the room.

A master key hung from a gold chain at his waist.

He cannot let residents into their apartments with a master key, but he can get the handyman.

"Essentially, the government is asking Apple to create a master key so that it can open a single phone.

The company dropped a master key in the mail that day and asked for a mere $3 in return.

"We don't want to break anyone's encryption or set a master key loose on the land," he wrote.

If there is such a thing as a master key to a better American future, investment in the nation's infrastructure would be it.

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