Browse all

screw up

B1 informal separable both
In simple words

To make a big mistake and ruin something, or to crumple something into a ball.

Literal meaning: To screw (tighten by turning) something up — extended to mean twisting or distorting something beyond use.

Meanings

1 B1 idiomatic informal

To make a serious mistake that ruins a plan, situation, or task.

"I totally screwed up the presentation by forgetting to save the updated slides."

""How could I have screwed that up so badly?""

— Breaking Bad, Season 3 (AMC, 2010)
Grammar: separable
2 B1 neutral

To crumple paper or a similar material into a tight ball.

"He screwed up the rejection letter and threw it in the bin."

Grammar: separable
3 B2 neutral

To distort or contort the face, especially due to pain, disgust, or intense concentration.

"She screwed up her face at the taste of the bitter medicine."

Grammar: separable
4 B2 idiomatic informal

To cause lasting psychological or emotional damage to someone.

"Years of bullying had really screwed him up and he struggled with confidence as an adult."

Grammar: separable
Usage notes

One of the most commonly used informal phrasal verbs in English. The mistake sense is widely understood internationally. Also used as a noun: 'a screw-up'. Can be used to describe ruining a situation, making an error, or causing emotional damage to someone ('his childhood really screwed him up').

Commonly used with

plan interview relationship face paper order

Forms

Base
screw up
I/you/we/they
3rd person
screws up
he/she/it
Past simple
screwed up
yesterday
Past participle
screwed up
have + pp
-ing form
screwing up
continuous

Understand "screw up" better

Try:

Real video examples

Video examples are being collected. Check back soon.

Synonyms

mess up botch bungle foul up ruin make a hash of

Want to master this phrasal verb?

Practice "screw up" on Looplines