What Does โSell sb outโ Mean?
โSell sb outโ means to betray or deceive someone, especially by revealing their secrets or acting against their interests for personal gain.
Introduction
The phrasal verb โsell sb outโ is commonly used in English to describe a situation where someone betrays another person. The phrase often implies breaking trust, usually for personal advantage or profit. Understanding the โsell sb out meaningโ is important because it helps learners recognize when someone is acting disloyally. This phrase is frequently used in everyday conversations, movies, and books to describe acts of betrayal between friends, colleagues, or partners. Knowing how to use โsell sb outโ correctly will improve your communication and help you express feelings about trust and loyalty clearly.
Quick Info Box
- Phrasal verb: Sell somebody out
- Type: Transitive
- Level: B2
- Short meaning: To betray someone by acting against them or revealing their secrets
Structure (Grammar Rules)
โSell sb outโ is a separable phrasal verb. This means you can place the object (sb) between โsellโ and โoutโ or after โoutโ.
- Pattern 1: sell + somebody + out
Example: He sold me out. - Pattern 2: sell + out + somebody
Example: He sold out his friend.
Both forms are correct, but the first is more common with pronouns (me, you, him, her).
How to Use Sell sb out?
Use โsell sb outโ when you want to talk about someone betraying another person. It is often used in negative situations involving broken trust. This phrase works well in conversations about friendships, business, politics, or any context where loyalty is important. You can use it in past, present, or future tenses:
- He sold me out last week.
- Donโt sell your friends out.
- They will sell us out if weโre not careful.
Examples
Imagine your close friend tells your secret to others to gain something for themselves. You can say they โsold you out.โ
- He promised to keep my secret but ended up selling me out to the boss.
- She sold out her teammates by sharing their plans with the competitors.
- Donโt trust him; he might sell you out if it benefits him.
- They were furious when they found out he sold them out during the negotiation.
- Sell sb out in a sentence: โI canโt believe you sold me out like that.โ
Common Mistakes
People sometimes misuse โsell sb outโ by confusing it with selling something physically or misunderstanding its meaning.
- Incorrect: I sold out my old phone yesterday.
Correct: I sold my old phone yesterday. - Incorrect: She sold out the product at the store.
Correct: She sold the product at the store. - Incorrect: He sold me out the tickets.
Correct: He sold me out to the police.
Remember, โsell sb outโ is about betrayal, not physical selling.
Differences / Synonyms
โSell sb outโ is similar to โbetray,โ but it often implies a deliberate action for personal gain. Other related phrasal verbs include:
- Give sb away: To reveal someoneโs secret unintentionally or intentionally.
- Turn on sb: To suddenly attack or betray someone.
- Let sb down: To disappoint or fail someone, but not always betraying.
โSell sb outโ usually carries a stronger meaning of treachery than these alternatives.
Common Collocations
People often use โsell sb outโ with these objects:
- Friend: Betraying a close companion.
- Partner: Betrayal in a romantic or business relationship.
- Teammates: Revealing secrets within a group.
- Colleagues: Acting against coworkers for personal gain.
- Secrets: Revealing confidential information.
Related Phrasal Verbs
Here are related phrasal verbs of sell sb out:
Real-life Dialogue
Here is a short conversation using โsell sb outโ:
Anna: I heard Tom told the manager about our plan.
Ben: Really? He sold us out?
Anna: Yes, I canโt believe he would do that.
Ben: We need to be careful who we trust.
Practice
Fill in the blank with the correct form of โsell sb outโ:
- He _______ his friends to get a promotion.
- Donโt _______ your teammates if you want to keep their trust.
- They were angry because she _______ them during the meeting.
FAQ
- Q: Can โsell sb outโ be used in formal writing?
A: It is mostly informal but can be used in formal writing when describing betrayal.
- Q: Is โsell sb outโ always negative?
A: Yes, it always implies betrayal or disloyalty.
- Q: Can I say โsell myself outโ?
A: Yes, it means you betrayed your own principles or people close to you.
- Q: What is the difference between โsell sb outโ and โgive sb awayโ?
โSell sb outโ implies deliberate betrayal, while โgive sb awayโ can be accidental or less serious.
- Q: Is โsell sb outโ separable?
Yes, you can place the object between โsellโ and โoutโ or after โout.โ

