Browse all

fool up

B2 informal separable both
In simple words

Make a big mistake and ruin something.

Meanings

1 B2 idiomatic informal

To ruin or spoil something through foolish or careless actions.

"Don't fool up this presentation — it's really important."

Grammar: separable
Usage notes

Less common than 'foul up' or 'mess up'. May be used as a euphemism for stronger expressions. Primarily American English.

Commonly used with

plan job situation deal chance

Forms

Base
fool up
I/you/we/they
3rd person
fools up
he/she/it
Past simple
fooled up
yesterday
Past participle
fooled up
have + pp
-ing form
fooling up
continuous

Understand "fool up" better

Try:

Real video examples

Video examples are being collected. Check back soon.

Want to master this phrasal verb?

Practice "fool up" on Looplines