Meaning of “slip up” in the English Dictionary

"slip up" in American English

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slip up

phrasal verb with slip us /slɪp/ verb -pp-

to make a small mistake, often as a result of not thinking carefully:

It's easy for a journalist to slip up and use somebody else's idea without crediting him or her.

slip-upnoun [ C ]

us /ˈslɪpˌʌp/

a mistake that someone makes by not giving something enough attention:

That slip-up cost a lot of money.

(Definition of “slip up” from the Cambridge Academic Content Dictionary © Cambridge University Press)

"slip up" in Business English

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slip up

phrasal verb with slip uk /slɪp/ us verb -pp-

[ I ] to make a mistake:

We can't afford to slip up when we're risking so much money.
There is a solution for taxpayers who have slipped up and not paid on time.
See also

slip-upnoun [ C ]

uk us

a careless mistake:

The candidate often blamed others when he made slip-ups.
a slip-up in sth There have been several slip-ups in the handing of secret information.

(Definition of “slip up” from the Cambridge Business English Dictionary © Cambridge University Press)