Meaning of the word "the be all and end all" in English

What does "the be all and end all" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

the be all and end all

US /ðə bi ɔl ænd ɛnd ɔl/
UK /ðə bi ɔl ænd ɛnd ɔl/

Idiom

the most important thing; the ultimate goal or purpose

Example:
For him, money is the be all and end all.
Winning isn't the be all and end all; participating is also important.