What Does “Let sth out of sth” Mean?
“Let sth out of sth” means to allow something to leave or escape from a container or enclosed space. It often refers to releasing air, liquid, or information.
Introduction
The phrase “let sth out of sth” is a useful phrasal verb in English. It describes the action of allowing something to come out from inside another thing, usually something enclosed or contained. For example, you can let air out of a tire or let a secret out of a conversation. Understanding the let sth out of sth meaning helps learners use it naturally in various situations. This phrase is common in both spoken and written English, making it important to know its correct use and meaning.
Quick Info Box
- Phrasal verb: let something out of something
- Type: Transitive
- Level: B1 (Intermediate)
- Meaning: To allow something to escape or be released from a container or place
Structure (Grammar Rules)
“Let sth out of sth” is separable, meaning you can place the object between “let” and “out” or after “out of.” However, the phrase “out of” must stay together.
- Let + object + out of + container: Let the air out of the balloon.
- Let + out + object + of + container (less common): Let out the air of the balloon.
Usually, the first pattern is preferred for clarity.
How to Use “Let sth out of sth”?
You use this phrasal verb when describing the action of releasing or allowing something to escape from a confined space. This could be physical, like letting water out of a bottle, or abstract, like letting information out of a conversation. It works with tangible things such as air, liquid, animals, or intangible things like secrets.
Examples
Imagine you have a tire that is too full of air. You might want to let some air out of it to make it safer to use.
- Please let the air out of the tire before fixing it.
- She accidentally let the cat out of the carrier.
- Don’t let the secret out of the meeting.
- He let some water out of the bottle to fill the glass.
- They let the prisoners out of the cells at night.
Here are some sentences showing “let sth out of sth in a sentence”:
- Can you let the air out of the basketball?
- She let the truth out of the conversation by mistake.
Common Mistakes
Many learners confuse the phrase or use incorrect word order.
- Incorrect: Let out the air of the balloon.
- Correct: Let the air out of the balloon.
- Incorrect: Let out of the box the bird.
- Correct: Let the bird out of the box.
Remember that “out of” must stay together, and the object should be placed right after “let.”
Differences / Synonyms
Similar phrases include “let out,” “release,” and “free.” However, “let sth out of sth” specifically emphasizes the origin or container from which something is released.
- Let out: Means to release but does not specify the container. E.g., “Let the dog out.”
- Release: More formal, often used for animals or information. E.g., “Release the report.”
- Free: Focuses on removing restrictions. E.g., “Free the trapped bird.”
Using “let sth out of sth” highlights the relationship between the thing being released and where it is coming from.
Common Collocations
You often see “let sth out of sth” with these objects:
- Air (from tires, balloons) – releasing air
- Water (from bottles, tanks) – pouring or draining water
- Animals (from cages, boxes) – releasing animals
- Secrets or information (from conversations, meetings) – sharing confidential info
- Sound (from instruments, speakers) – allowing sound to escape
Related Phrasal Verbs
Here are related phrasal verbs of let sth out of sth:
Real-life Dialogue
Here’s a short conversation using “let sth out of sth”:
Anna: Can you help me? I need to let some air out of the bike tire.
Ben: Sure! Just press the valve to let the air out of the tire slowly.
Anna: Thanks! I was worried it might burst if it’s too full.
Practice
Choose the correct sentence:
- A) Let the air out of the balloon.
- B) Let out the air of the balloon.
- C) Let the air of out the balloon.
Answer: A) Let the air out of the balloon.
FAQs
- Q: Can “let sth out of sth” be used for emotions?
A: No, it usually refers to physical things or information, not emotions. - Q: Is “let sth out of sth” formal or informal?
A: It is neutral and can be used in both formal and informal contexts. - Q: Can I say “let out of” without an object?
A: No, you need to include what is being let out. - Q: What is the difference between “let out” and “let sth out of sth”?
A: “Let out” means to release, but “let sth out of sth” specifies the container or origin. - Q: Is “let sth out of sth” separable?
A: Yes, but “out of” must stay together, and the object usually comes right after “let.”

