Meaning of the word "as likely as not" in English

What does "as likely as not" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

as likely as not

US /æz ˈlaɪkli æz nɑːt/
UK /æz ˈlaɪkli æz nɒt/
"as likely as not" picture

Idiom

very probable; almost certain

Example:
As likely as not, he'll be late again.
She'll as likely as not forget about the meeting.