as likely as not

US /æz ˈlaɪkli æz nɑːt/

UK /æz ˈlaɪkli æz nɑːt/

1.

very probable; almost certain

:

•

As likely as not, he'll be late again.

•

She'll as likely as not forget about the meeting.

:

probably most likely in all likelihood in all probability chances are

:

like likely liking not likely most likely waif-like like sheep