What does "lucky break" mean?

A stroke of luck; a fortunate event, particularly of the sort that propels one to success, fame, etc.

What is a synonym for "lucky break"?

Common synonyms include: auspicious, blessing, break, breather, fluke, fortunate.

noun

noun ·Rare ·Advanced level

Noun

1
A stroke of luck; a fortunate event, particularly of the sort that propels one to success, fame, etc. idiomatic
"At 17, she got her lucky break when she appeared on television and became a popular musician overnight."

"At 17, she got her lucky break when she appeared on television and became a popular musician overnight."