n.
1.an unknown and unpredictable phenomenon that causes an event to result one way rather than another
2.a large amount of wealth or prosperity
3.an unknown and unpredictable phenomenon that leads to a favorable outcome
4.your overall circumstances or condition in life (including everything that happens to you)
Idiom of the Day
nip and tuck
evenly matched, almost even
They were going nip and tuck but the younger man finally won the race.