Master key may refer to:
- a type of key, see Key (lock)
- a skeleton key
- Master Key, a game on the gameshow The Price is Right, see List of The Price Is Right pricing games
Famous quotes containing the words master and/or key:
“So then learn to conquer your fear. This is the only art we have to master nowadays: to look at things without fear, and to fearlessly do right.”
—Friedrich Dürrenmatt (1921–1990)
“All meanings, we know, depend on the key of interpretation.”
—George Eliot [Mary Ann (or Marian)