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:
“Today the young actors regard their environment with rage and disgust. They regard their Master not as disciples regard their Master, but as slaves regard their Master.”
—Judith Malina (b. 1926)
“Every revolution was first a thought in one man’s mind, and when the same thought occurs in another man, it is the key to that era.”
—Ralph Waldo Emerson (1803–1882)