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:
“Nothing can be done about it: every master has but a single pupil—and he will not stay loyal to him—for he is also destined to become a master.”
—Friedrich Nietzsche (1844–1900)
“Woe unto you, lawyers! for ye have taken away the key of knowledge: ye entered not in yourselves, and them that were entering in ye hindered.”
—Bible: New Testament Jesus, in Luke, 11:52.