in all probability
Very likely; in all likelihood. I don't think you need to worry about Mom being upset. In all probability, she's forgotten all about it.
in all probability
very likely; almost certainly. He'll be here on time in all probability. In all probability, they'll finish the work today.
in all probability
Also, in all likelihood. Most likely, almost certainly. For example, In all probability we'll be home for Christmas. This expression was first recorded in 1617, the variant in 1664.
in ˌall probaˈbility
(written) very probably: The changes were, in all probability, made before 1600. in all probability
Most probably; very likely.