Meaning of the word A1 in English

What does A1 mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

A1

US /ˌeɪˈwʌn/
UK /ˌeɪˈwʌn/

Adjective

of the very best quality or highest standard

Example:
The restaurant serves A1 steaks.
His performance was absolutely A1.