Definitions of luck:
- noun: an unknown and unpredictable phenomenon that causes an event to result one way rather than another
Example: "Bad luck caused his downfall"
- noun: an unknown and unpredictable phenomenon that leads to a favorable outcome
Example: "It was my good luck to be there"
- noun: your overall circumstances or condition in life (including everything that happens to you)
Example: "The luck of the Irish"
- name: A surname (rare: 1 in 50000 families; popularity rank in the U.S.: #5091)