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:
“He may have been a master of his fate,
And of his atoms,—ready as another
In his emergence to exonerate
His father and his mother;”
—Edwin Arlington Robinson (1869–1935)
“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)