luck luck /ˈlʌk/

noun

1. () Your overall circumstances or condition in life (including everything that happens to you)  ( destiny , portion , circs [Informal, British] , circumstances , fate , fortune , lot , luck )
   your overall circumstances or condition in life (including everything that happens to you)
    Whatever my fortune may be
   whatever my fortune may be
    Deserved a better fate
   deserved a better fate
    Has a happy lot
   has a happy lot
    The luck of the Irish
   the luck of the Irish
    A victim of circumstances
   a victim of circumstances
    Success that was her portion
   success that was her portion
   
   
2. () An unknown and unpredictable phenomenon that causes an event to result one way rather than another  ( hazard , fortune , luck , chance )
   an unknown and unpredictable phenomenon that causes an event to result one way rather than another
    Bad luck caused his downfall
   bad luck caused his downfall
    We ran into each other by pure chance
   we ran into each other by pure chance
   
3. () An unknown and unpredictable phenomenon that leads to a favorable outcome  ( fortune , luck )
   an unknown and unpredictable phenomenon that leads to a favorable outcome
    It was my good luck to be there
   it was my good luck to be there
    They say luck is a lady
   they say luck is a lady
    It was as if fortune guided his hand
   it was as if fortune guided his hand