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to mess up

to mess up

52 3.0
To make something untidy, dirty, or not in the right place
  • phrasal verb
  • /mɛs ʌp/
  • Informal
translation icon : desordenar
  • I accidentally messed up my room when I got ready for the party.
  • mess up hair

Yeah, I don't want to mess your hair up right.

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Examples

  • I am, what is a good word, distressed by the way that we are messing up our planet.

  • I also like to mess up my hair a lot, so I'm going to mess up the top part just so it looks bigger.

  • There are some folks around who like to mess up your plans.

    Fiction book (1990)
  • Maybe W will become your president and mess things up just like before.

    Blog text (24)
  • The new people are messing everything up.

  • We messed up the line.

  • We don't wanna mess the place up.

  • Where the sea urchins were, something else is taking over, messing up the water.

    Fiction book (1995)
  • But one of them grew up in a stifling house where nothing could be amiss, and that person wants creative space to to mess things up and to be creative.

  • It has a brush on the opposite end and this is the perfect contour that you cannot mess up for your lips.

Synonyms

to screw up
vsto mess up
  • Informal
641 6.3

To make a mistake that ruins what you are doing

is mainly physical untidiness rather than general error or ruin
to mess
vsto mess up
248 1.0

To make something untidy or dirty

is the same action but used as a two-word verb with a particle
to fuck up
vsto mess up
  • Offensive
203 9.9

To make a serious mistake that ruins something

refers more to creating untidiness or disorder than to broad ruin
to mix up
vsto mess up
  • Informal
65 2.7

To make people confused and things messy

is more physical applying to untidiness or dirty situations too
to confuse
vsto mess up
38 1.9

Mix things up so their order is not clear

is mainly physical causing untidiness or dirt rather than mental confusion
to fuck it up
vsto mess up
  • Offensive
37 9.9

To do something badly and ruin how it turns out

is more about causing untidiness or dirt than complete destruction
to jumble
vsto mess up
22 3.8

Mix things together in a confused way

is broader covering general untidiness not only mixed items
to foul up
vsto mess up
  • Informal
8 6.4

To make a mistake that ruins something because you are careless

focuses on untidiness and disorder rather than mere error
to clutter up
vsto mess up
7 4.2

To fill a space with too many things so it looks messy

also covers other causes of untidiness beyond excess items
to disorder
vsto mess up
7 5.5

To make something untidy or not in its usual order

includes dirt and untidiness as well as loss of order
to ruffle
vsto mess up
7 4.2

Disturb a smooth surface so small waves appear

covers overall untidiness and dirtiness not only surface disturbance
to muss
vsto mess up
6 7.9

To make hair, clothes, or a surface messy

is the same meaning but used as a phrasal verb form
to rumple
vsto mess up
6 5.4

To make clothes or hair wrinkled and messy

is broader and applies beyond textiles or hair
to muck up
vsto mess up
  • Informal
5 7.6

To ruin something by making mistakes or doing it badly

focuses more narrowly on physical untidiness than general ruin
to disorganize
vsto mess up
  • US
4 4.5

To make something lose its order or structure

is about surface neatness and dirt rather than structural order
to louse up
vsto mess up
  • Informal
4 8.1

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

is more about physical untidiness and disorder than general ruining
to fluff
vsto mess up
  • Informal
2 5.4

To make a mistake especially by forgetting words on stage

is about causing untidiness and disorder not just an error
to dishevel
vsto mess up
2 8.1

To make someone's hair or clothes look untidy

extends beyond personal appearance to places and objects
to botch up
vsto mess up
  • Informal
2 6.7

Do a job badly and make a mess of it

is about causing untidiness or dirt rather than task failure
to create a mess
vsto mess up
1 2.1

Make a place messy so things are not in order

is broader applying beyond just places or situations
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 milder and mainly describes making things untidy rather than destruction
to ball up
vsto mess up
  • Informal
1 7.9

To do something badly and ruin how it turns out

targets untidiness and disorder rather than only spoiling an outcome
to disarray
vsto mess up
1 5.6

To make things untidy or cause confusion

focuses more on untidiness rather than confusion or chaos
to ruffle up
vsto mess up
1 4.2

To make a smooth surface uneven or wrinkled

is broader applying to full untidiness rather than small wrinkles
to bollocks up
vsto mess up
  • Offensive
1 9.9

To do something so badly that it fails

is specifically about creating untidiness or dirt rather than only ruin
to crap up
vsto mess up
  • Offensive
1 9.9

To ruin something by making a mistake or being careless

is chiefly about making things untidy or dirty rather than only ruining
to make a schmutter
vsto mess up
  • Slang
9.9

To do something badly so it goes wrong

is focused on physical untidiness rather than poor task performance
to booger up
vsto mess up
  • Informal
9.9

To ruin something by a careless mistake

is more about causing visible untidiness than just making mistakes
to misfuck
vsto mess up
  • Offensive
9.9

To ruin something completely by making serious mistakes

is about untidiness and disorder rather than extreme ruin or damage

Antonyms

433 1.0

To make a room or area free of dirt and tidy by removing mess

42 1.0

To make a place neat by putting things away

How Messy

to mess up
  • Informal
52 3.0
to rumple
6 5.4

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 picture of turning something neat into a 'mess'. If you spill food or scatter papers you make a mess, and adding up shows the action is done, so it came to mean 'to make untidy'.