Meaning of the word "beats me" in English

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

beats me

US /biːts miː/
UK /biːts miː/

Idiom

I don't know; I have no idea

Example:
Why did he do that? Beats me!
Where did they go? Beats me, I just got here.