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to mess up

to mess up

597 2.8
To make a mistake that causes a problem
  • phrasal verb
  • /mɛs ʌp/
  • Informal
translation icon : estropear
  • I think I'm messing it up in some critical way.

Making sure I did not mess up a single thing.

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Examples

Synonyms

to mess
vsto mess up
  • Informal
4.2

To handle something in a way that causes damage or problems

is the informal phrasal form used for such interference or errors
to screw up
vsto mess up
  • Informal
641 6.3

To make a mistake that ruins what you are doing

has same idea but often in informal or stronger language
to fuck up
vsto mess up
  • Offensive
203 9.9

To make a serious mistake that ruins something

serves as the informal vulgar way to express this general idea
to spoil
vsto mess up
80 2.8

To make something less good or enjoyable

also means doing something wrongly that causes a problem rather than only damage
to mix up
vsto mess up
  • Informal
65 2.7

To make people confused and things messy

is about harming or spoiling performance rather than mere confusion
to botch
vsto mess up
63 6.0

To do something badly and spoil the result

often used for a single ruined task rather than broad damage
to fuck it up
vsto mess up
  • Offensive
37 9.9

To do something badly and ruin how it turns out

is the colloquial strong expression for total failure caused by error
to trip up
vsto mess up
27 4.9

Make a mistake or cause someone else to make one

also covers direct causing but focuses on the act rather than damage
to slip up
vsto mess up
  • Informal
27 4.1

To make a small careless mistake

is more general, covering both small errors and major ruin
to mishandle
vsto mess up
20 4.9

Deal with something badly so it causes problems or damage

is more general, covering both mistakes and accidental harm
to fumble
vsto mess up
19 3.5

To do something clumsily and make a mistake

is wider, covering intentional errors and simple damage as well
to bumble
vsto mess up
18 5.4

To move in a clumsy, confused way

is focused specifically on causing harm or ruining tasks, not just awkwardness
to goof
vsto mess up
  • Informal
17 5.6

To make a silly or careless mistake

is broader and includes serious mistakes that cause real harm
to bungle
vsto mess up
16 6.8

To do something clumsily so it causes mistakes

covers similar incompetence but also deliberate damage in some uses
to foul up
vsto mess up
  • Informal
8 6.4

To make a mistake that ruins something because you are careless

is the common phrase used for errors that spoil results
to muff
vsto mess up
5 8.2

To fail to catch or handle something because you are clumsy

is a similar term often used for performance errors rather than damage
to muck up
vsto mess up
  • Informal
5 7.6

To ruin something by making mistakes or doing it badly

is the common informal sense covering any mistake that causes harm
to louse
vsto mess up
  • Informal
5 8.9

To spoil something by doing it badly

is broader, applying to any error that causes harm or failure
to louse up
vsto mess up
  • Informal
4 8.1

To make a mess of a plan or task by doing it badly

is the general informal term covering ruining by mistakes or error
to flub
vsto mess up
  • Informal
2 6.8

To make an embarrassing mistake because you are careless or nervous

is broader, covering both accidental errors and intentional harm
to fluff
vsto mess up
  • Informal
2 5.4

To make a mistake especially by forgetting words on stage

is the common informal way to refer to such bungled actions
to botch up
vsto mess up
  • Informal
2 6.7

Do a job badly and make a mess of it

is the informal phrasal expression for making such errors or ruin
to create a mess
vsto mess up
1 2.1

Make a place messy so things are not in order

is about ruining or causing failure rather than just untidiness
to fuck shit up
vsto mess up
  • Offensive
1 9.9

To cause a lot of damage and chaos to a place or thing

is much more violent and extreme than the usual error-based harm
to make a blunder
vsto mess up
1 4.2

Do something that is a serious and embarrassing mistake

is more general and can include minor errors and damage without embarrassment
to ball up
vsto mess up
  • Informal
1 7.9

To do something badly and ruin how it turns out

is similar informal phrasing for causing mistakes that ruin tasks
to crap up
vsto mess up
  • Offensive
1 9.9

To ruin something by making a mistake or being careless

is mainly informal slang but shares the same basic meaning
to bollocks up
vsto mess up
  • Offensive
1 9.9

To do something so badly that it fails

is a British informal variant with the same core meaning
to miscue
vsto mess up
1 7.4

To make a small mistake when trying to do something, for example in sport or speech

is broader, covering both damage and mistakes causing problems
to make a pig's ear of
vsto mess up
  • UK
1 9.3

Do something very badly and spoil how it turns out

emphasizes total visible failure more than general error or damage
to bollix
vsto mess up
  • Slang
9.9

To ruin something by doing it badly

is similar in British informal usage but less common in other variants
to bollocks
vsto mess up
  • Offensive
9.9

To spoil or ruin something by making a careless mistake

is the same idea expressed as an informal expletive phrase
to misfuck
vsto mess up
  • Offensive
9.9

To ruin something completely by making serious mistakes

is a vulgar intense form highlighting total destruction rather than minor error
to snafu
vsto mess up
  • Slang
9.9

To make a plan or process become confused and fail

is narrower, often meaning a single mistake rather than system-wide chaos
to booger up
vsto mess up
  • Informal
9.9

To ruin something by a careless mistake

is a slangy casual form meaning the same general ruining by mistakes
to make a schmutter
vsto mess up
  • Slang
9.9

To do something badly so it goes wrong

is an informal dialectal way to describe making such errors
to bodge
vsto mess up
  • UK
9.9

Do a job badly so it does not work

is similar but often implies a quick, untidy fix rather than total ruin
to frig up
vsto mess up
  • Slang
9.8

To do something badly and make it fail

is an informal substitute often used to mean the same ruining by error

Antonyms

483 1.0

To make something right by fixing a mistake

fix
76 1.0

An action that makes something work again

How Damaged

to destroy
1.0
to ruin
2.0
to damage
885 1.4
to mess up
  • Informal
597 2.8
to spoil
80 2.8
to harm
738 1.0

Surface Forms

mess up infinitive
messed up past
messed up past participle
messing up present participle
messes up third person singular

Morphology

mess + up

The meaning 'to spoil, damage, or ruin' follows directly from combining 'mess' (to make dirty, untidy, or disordered) with the particle 'up', which here adds a sense of completion/intensification; together they yield 'make a mess of' or 'ruin'. This verb+particle composition is a common, fairly literal pattern in English (and parallels exist in many languages), so a B1 learner who knows the constituents would likely infer the meaning.

Etymology

Mess up comes from the image of ruining a plan or a piece of work by doing it badly. If you make a mess of a job or put things in the wrong order you 'mess' it up, which is why it now means 'to spoil' or 'make a big mistake'.