What Does “Do sb down” Mean?
“Do sb down” means to treat someone unfairly or to criticize them in a way that makes them feel bad or less important.
Introduction
The phrase “do sb down” is a common English phrasal verb used to describe situations where someone is treated unfairly or spoken about in a negative way. Understanding the do sb down meaning helps learners recognize when people are being unfair or unkind in conversations. It is often used in informal speech to express feelings of disappointment or frustration when someone is let down or unfairly judged. Knowing how to use this phrase correctly can improve your English communication, especially when discussing social interactions or conflicts.
Quick Info Box
- Phrasal verb: do somebody down
- Type: transitive
- Level: B2 (Upper-Intermediate)
- Short meaning: to treat someone unfairly or criticize them unjustly
Structure (Grammar Rules)
“Do sb down” is a transitive and inseparable phrasal verb. This means the object (sb = somebody) always comes after the phrasal verb. You cannot separate “do” and “down” with the object.
- Correct pattern: do somebody down
- Incorrect pattern: do down somebody
Example: They did her down by blaming her for the mistake.
How to Use “Do sb down”?
You use “do sb down” when talking about unfair treatment or criticism of a person. It often implies that someone has been let down or made to look worse than they really are. This phrase is common in informal conversations and writing, especially when discussing conflicts, misunderstandings, or unfair situations.
Examples
Here are some examples to help you understand how to use “do sb down in a sentence”:
- He felt that his colleagues were doing him down by not giving him credit for his work.
- Don’t let anyone do you down just because you made a mistake.
- She was upset because her boss did her down during the meeting.
- It’s wrong to do someone down just to make yourself look better.
- They did him down by spreading false rumors about his performance.
Common Mistakes
People often confuse the word order or use incorrect objects with “do sb down.” Here are some examples of common mistakes and the correct usage:
- Incorrect: They did down him in the discussion.
Correct: They did him down in the discussion. - Incorrect: She was done down by her friends.
Correct: She was done down by her friends.
Remember, “do sb down” is inseparable, so never split the verb and particle.
Differences / Synonyms
Other phrasal verbs like “put sb down” or “let sb down” may seem similar but have different meanings. “Put sb down” means to insult or criticize someone directly, while “let sb down” means to disappoint someone by not meeting expectations. “Do sb down” focuses more on unfair treatment or unjust criticism.
For example:
- He put her down by calling her lazy. (Direct insult)
- He let her down by missing the meeting. (Disappointment)
- He did her down by blaming her unfairly. (Unfair treatment)
Common Collocations
When using “do sb down,” certain words often appear alongside it to describe who is affected or the situation:
- Do someone down unfairly: to treat someone unjustly
- Do someone down badly: to criticize or treat someone very harshly
- Do someone down at work: to unfairly blame or criticize a colleague
- Do someone down in public: to embarrass or criticize someone openly
Related Phrasal Verbs
Here are related phrasal verbs of do sb down:
Real-life Dialogue
Here is a short conversation using “do sb down”:
Anna: I heard Mark blamed you for the project delay. That’s not fair.
Ben: Yeah, he really did me down in front of the whole team.
Anna: Don’t worry, I know you worked hard. Sometimes people say things they don’t mean.
Practice
Try to complete the sentence below using “do sb down”:
- She felt that her manager _______ her _______ by not mentioning her efforts during the meeting.
Options:
- a) did / down
- b) did / up
- c) put / down
- d) let / down
FAQs
- What does “do sb down” mean?
It means to treat someone unfairly or criticize them unjustly. - Is “do sb down” formal or informal?
It is mostly informal and used in everyday English. - Can I use “do sb down” in writing?
Yes, but it’s more common in informal writing or conversations. - Is “do sb down” separable?
No, you cannot separate the verb and particle. - What is the difference between “do sb down” and “let sb down”?
“Do sb down” means unfairly criticize someone, while “let sb down” means to disappoint someone.

