master key definition

  • noun:
    • a vital that opens all of a given collection of locks. Also known as passkey.
    • an integral built to open up a set of a few locks; a passkey
    • an integral adapted to start a number of hair differing significantly from each other; figuratively, a rule or principle of general application in resolving troubles.
    • a vital which opens up (masters) numerous locks so differently built the crucial correct to each will open nothing of the other people.
    • Figuratively, a broad clue to lead off many problems; a guide toward option of several concerns or doubts.
    • secret that secures entrance every-where

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    • a vital that opens all of a given…
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  • Urban Dictionary for "master key"
    • A shotgun always blow-open locked doors.
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