Meaning of the word "happy go lucky" in English

What does "happy go lucky" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

happy go lucky

US /ˌhæp.i ˈɡoʊ ˌlʌk.i/
UK /ˌhæp.i ˈɡəʊ ˌlʌk.i/

Adjective

carefree and optimistic; not worrying about the future

Example:
He has always been a happy-go-lucky person, never letting anything bother him.
Their happy-go-lucky attitude made them popular with everyone.