How do you speak about luck in German?

The word for “luck” in German is Glück. Glücklich commonly means “happy” or “content,” but it can also mean “fortunate” or “lucky,” depending on context: ein glücklicher Gewinner (a lucky winner), ein glücklicher Zufall (a fortunate coincidence). Glück haben is a clear everyday way to say “to be lucky,” and a lucky person is ein Glückspilz (literally “a luck mushroom”).

Examples

Er hatte Glück. He was lucky.

Herzlichen Glückwunsch! Congratulations! (literally “hearty luck-wish”)