What Does “Screw sth up” Mean?
“Screw sth up” means to make a mistake or do something badly, causing a problem or failure.
Introduction
The phrasal verb “Screw sth up” is often used in informal English to describe situations where someone makes an error or messes something up. Understanding the screw sth up meaning helps learners use it naturally in conversations and writing. It’s a useful expression to talk about mistakes in work, school, or daily life. This phrase adds a casual tone and is common in spoken English.
Quick Info Box
- Phrasal verb: screw something up
- Type: Transitive
- Level: B1 (Intermediate)
- Short meaning: To make a mistake or spoil something
Structure (Grammar Rules)
“Screw sth up” is a separable phrasal verb. You can place the object between the verb and the particle or after the particle.
- Verb + object + particle: screw the project up
- Verb + particle + object: screw up the project
Both forms are correct, but placing the object in the middle is more common in speech.
How to Use Screw sth up?
Use “screw sth up” to describe when you or someone else makes a mistake that causes a problem. It is informal and often used in casual conversations. You can use it in past, present, or future tense by changing the verb tense: screwed up, screwing up, will screw up.
Examples of situations include messing up an exam, a job, a plan, or a relationship.
Examples
Imagine you missed an important detail at work and the whole project failed. You could say:
- I really screwed up the report yesterday.
- Don’t screw up this chance to impress the boss.
- She screwed up her presentation by forgetting her notes.
- We screwed up the order and customers were unhappy.
- Try not to screw up your exam next week.
These examples show screw sth up in a sentence used naturally.
Common Mistakes
Sometimes learners confuse the order of words or use the phrase too formally. Here are common errors and corrections:
- Incorrect: I screwed up on the test.
- Correct: I screwed the test up. / I screwed up the test.
- Incorrect: She screw up the plan.
- Correct: She screwed up the plan.
- Incorrect: Don’t screw it.
- Correct: Don’t screw it up.
Differences / Synonyms
“Screw sth up” is similar to “mess up,” “blow it,” and “botch.” However, “screw up” is often a bit stronger and more informal.
- Mess up: Can be formal or informal, means to make a mistake.
- Blow it: Usually means fail because of nerves or carelessness.
- Botch: More formal, means to do something badly or clumsily.
Use “screw up” when you want a casual, conversational tone.
Common Collocations
People often use “screw up” with common objects related to mistakes or failures. Here are some examples:
- Screw up a plan: Fail to carry out the plan correctly.
- Screw up a test/exam: Do badly on an exam.
- Screw up a project: Make mistakes that cause a project to fail.
- Screw up an opportunity: Waste a chance.
- Screw up a relationship: Damage a personal relationship.
Related Phrasal Verbs
Here are related phrasal verbs of screw sth up:
Real-life Dialogue
Here is a short conversation showing how “screw sth up” sounds in daily talk:
Tom: Did you finish the report?
Anna: Yes, but I think I screwed it up. I forgot to include the sales data.
Tom: Don’t worry. Let’s fix it before the meeting.
Practice
Try to fill in the blanks with the correct form of “screw up”:
- I hope I don’t _______ this interview tomorrow.
- He really _______ the presentation by arriving late.
- We can’t afford to _______ the budget planning.
- She said she won’t _______ the test again.
- They _______ the order and had to apologize to the client.
FAQ
- What does “screw sth up” mean? It means to make a mistake or do something badly.
- Is “screw up” formal or informal? It is informal and used mostly in casual speech.
- Can I use “screw up” in writing? Yes, but it is better for informal writing like emails or messages.
- Is “screw up” separable? Yes, you can put the object between “screw” and “up” or after “up.”
- What are some synonyms for “screw up”? Synonyms include “mess up,” “blow it,” and “botch.”

