Luck
Definition 1 of 4
Pro Tip 1/3
Beyond Control
Use 'luck' to describe outcomes you can't influence or predict, emphasizing a lack of control. Despite my efforts, my luck will determine the lottery result.
Pro Tip 2/3
Not Always Positive
'Luck' can refer to both good and bad outcomes, so specify the kind when context doesn't make it clear. She found her lost dog by bad luck; it was injured.
Pro Tip 3/3
Calculable Chances
Use 'run of luck' when discussing a series of fortunate events, possibly implying a change soon. With his run of luck, he's due for a mishap.