slip up

US /ˈslɪp ʌp/

UK /ˈslɪp ʌp/

1.

make a careless error

:

•

I hope I don't slip up during the presentation.

•

The company slipped up by not checking the data carefully.

:

err blunder miscalculate falter stumble

1.

a careless mistake or error

:

•

It was just a minor slip-up, nothing serious.

•

One slip-up could cost us the entire project.

:

mistake error blunder gaffe oversight

:

slip slip-on slipped disc slip out slip away Freudian slip slip out of