What Does โRat on sthโ Mean?
โRat on sthโ means to tell someone in authority about someone elseโs wrong or secret behavior, often to get them in trouble.
Introduction
The phrase โRat on sthโ is commonly used in informal English to describe the act of informing or betraying someone by revealing their actions or secrets to others, especially authority figures. The โRat on sth meaningโ usually involves reporting something negative or secretive that someone else has done. People often use this phrasal verb when someone tells on a friend, classmate, or colleague. Understanding how to use โRat on sthโ will help you sound more natural in conversations and better understand everyday English.
Quick Info Box
- Phrasal verb: Rat on something
- Type: Transitive
- Level: B2
- Short meaning: To inform on someone or tell a secret to an authority figure
Structure (Grammar Rules)
โRat on sthโ is a separable phrasal verb. This means you can place the object either between the verb and the particle or after the particle.
- Rat on + object (person or thing)
- Examples:
- He ratted on his friend.
- She ratted on the cheating students.
How to Use Rat on sth?
Use โRat on sthโ when you want to say someone has told an authority figure about something secret or wrong. It often carries a negative meaning, implying betrayal or disloyalty. It is usually used in casual or informal settings.
The object can be a person, a group, or even a specific action.
Examples
Imagine a student telling the teacher that another student cheated on a test. You could say:
- He ratted on his classmates for cheating during the exam.
- She didnโt want to rat on her friends, so she stayed silent.
- Rat on sth in a sentence: โIf you rat on me, Iโll never trust you again.โ
- They were afraid someone would rat on them for breaking the rules.
- Donโt rat on me for being late; it was an honest mistake.
Common Mistakes
People sometimes confuse โrat onโ with other phrases or use it incorrectly with objects.
- Incorrect: He ratted on to the teacher.
- Correct: He ratted on the teacher (meaning he told on the teacher, but usually itโs about others).
- Incorrect: She ratted on about the secret.
- Correct: She ratted on her friend for the secret.
Remember, โrat onโ needs a direct object (someone or something being reported).
Differences / Synonyms
Similar phrasal verbs include โtell on,โ โsnitch on,โ and โinform on.โ
- Tell on: Also means to report someoneโs wrongdoing, but can be less harsh.
- Snitch on: Very informal and negative, similar to โrat on.โ
- Inform on: More formal, often used in legal or police contexts.
โRat onโ often implies betrayal and is more informal and negative than โtell on.โ
Common Collocations
People often โrat onโ specific actions or people. Here are common collocations:
- Rat on a friend โ betray a close person
- Rat on a classmate โ report a peer at school
- Rat on cheating โ inform about dishonest behavior
- Rat on breaking rules โ report rule-breaking actions
- Rat on someoneโs secret โ reveal confidential information
Related Phrasal Verbs
Here are related phrasal verbs of rat on sth:
Real-life Dialogue
Here is a short conversation using โrat on sthโ:
Tom: Did you hear that Sarah ratted on Jake for skipping class?
Anna: Yeah, I donโt think Jake will be happy about that.
Tom: I guess she wanted the teacher to know.
Practice
Try to fill in the blank with the correct form of โrat onโ:
- If you __________ on me, I wonโt speak to you again.
- She didnโt want to __________ on her brother for breaking the vase.
- Who did you __________ for cheating on the test?
FAQ
- Q: Is โrat onโ formal or informal?
A: It is informal and often used in casual speech.
- Q: Can I use โrat onโ for positive situations?
A: No, it usually refers to negative or secretive information.
- Q: What is the difference between โrat onโ and โtell onโ?
A: โRat onโ sounds more negative and implies betrayal, while โtell onโ is less harsh.
- Q: Can I say โrat on to someoneโ?
A: No, โrat onโ is followed directly by the object without โto.โ
- Q: Is โrat onโ used only for people?
A: It can also be used for actions or secrets, not just people.

