In luck

What is In luck?

In luck definition and meaning on Dictionary terms:
the force that seems to operate for good or ill in a person’s life, as in shaping circumstances, events, or opportunities: With my luck I’ll probably get pneumonia.
good fortune; advantage or success, considered as the result of chance: He had no luck finding work.
a combination of circumstances, events, etc., operating by chance to bring good or ill to a person: She’s had nothing but bad luck all year.
some object on which good fortune is supposed to depend: This rabbit’s foot is my luck.

Verb Phrases Informal.
luck into/onto, to meet, acquire, become, etc., by good luck: She lucked into a great job.
luck out, to have an instance or run of exceptionally good luck: He lucked out when he made a hole in one during the tournament.

luck upon, to come across by chance: to luck upon a profitable investment.