as likely as not en · ADV
Meanings
-
(not-comparable) As has even chances of being true or happening; as has a fifty-fifty likelihood; (often loosely) probably.
Near-synonyms: (broadly synonymous) more than likely, in all likelihood, in all probability
"You're tying my hands," complained Tommy. "It's a very delicate affair, and the other fellow will muff it up as likely as not, and then where shall I be? I don't believe one of you has got an ounce of tact."
1922, Agatha Christie, “Chapter 16”, in The Secret Adversary:
Relateds
as often as not · more often than not
Synonyms
in all likelihood · more than likely · in all probability · as like as not