0 to make a mistake; to fail to do something -- fejle
They certainly slipped up badly over the new appointment (noun slip-up).
There appears to have been a slip-up in the usual channels.
I do not know how that fits in with the group, but it may be a slip-up.
I am sure that in this case it is a slip-up.
He moved that the directive—that is this document, which has been described as a secretarial "slip-up," or something—should be abrogated and replaced by regulations.
Are we to understand that this was a slip-up and, if so, will he express regret for that slip-up?
I am loth to give a guarantee that in no circumstances will there be a slip-up.
It is not the fault of the passenger if there has been some minor slip-up by the company with which he is travelling.
That was due to a minor administrative slip-up—"a bank error in your favour", as they say.
