Meaning of the word "burn his boats" in English

What does "burn his boats" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

burn his boats

US /bɜrn hɪz boʊts/
UK /bɜːn hɪz boʊts/

Idiom

to do something that makes it impossible to return to an earlier situation or decision

Example:
When he quit his stable job to start a business, he really burned his boats.
Don't burn your boats by insulting your boss before you have another job lined up.