What Does “Blow sth up” Mean?
“Blow sth up” is a phrasal verb that means to explode something or to make something bigger by filling it with air or gas. It can also mean to enlarge a photo or image.
Introduction
The phrase “blow sth up” has several common uses in English. Most often, it means to cause an explosion or to fill something with air, like a balloon. It can also mean to enlarge or magnify something, such as a photograph. Understanding the blow sth up meaning helps learners use this versatile phrase correctly in different situations. Whether talking about inflating objects or describing explosions, this phrasal verb appears often in everyday English. Knowing how to use “blow sth up” properly will improve your communication skills and help you understand movies, conversations, and written texts better.
Quick Info Box
- Phrasal verb: blow something up
- Type: transitive
- Level: B1
- Short meaning: to explode, inflate, or enlarge something
Structure (Grammar Rules)
“Blow sth up” is a separable phrasal verb. This means the object can come between the verb and the particle or after the particle.
- Blow something up (formal)
- Blow it up (pronoun in the middle)
- Blow up something (less common but possible)
Examples:
- She blew the balloon up.
- He blew up the picture.
- They blew the building up.
How to Use “Blow sth up”?
You can use “blow sth up” in three main ways:
- To explode something: “They blew up the old bridge during the demolition.”
- To fill with air or gas: “Please blow up the air mattress before our guests arrive.”
- To enlarge an image or photo: “Can you blow up this photo so we can see the details?”
Make sure to choose the correct meaning based on context. The phrase is often used in both casual and formal English.
Examples
- They decided to blow up the fireworks at midnight.
- Don’t forget to blow up the balloons for the party.
- The police blew up the suspicious package safely.
- Can you blow up this map so it’s easier to read?
- We blew up the old building to make space for a park.
Common Mistakes
- Incorrect: Blow up the balloon it.
- Correct: Blow it up / Blow up the balloon.
- Incorrect: Blow up the picture big.
- Correct: Blow up the picture / Blow the picture up.
Remember, the object should come either between “blow” and “up” or after “up,” not both.
Differences / Synonyms
Blow sth up vs explode: “Blow sth up” often means to cause an explosion, but “explode” is more formal and general.
Blow sth up vs inflate: “Blow up” is informal and commonly used for inflating objects, while “inflate” is more formal.
Blow sth up vs enlarge: “Blow up” is used for enlarging photos or images, while “enlarge” is a formal term for making anything bigger.
Common Collocations
- Blow up a balloon
- Blow up a tire
- Blow up a building
- Blow up a photo
- Blow up fireworks
Related Phrasal Verbs
Here are related phrasal verbs of blow sth up:
Real-life Dialogue
Anna: Can you help me blow up these balloons for the party?
Ben: Sure! I’ll blow them up now.
Anna: Also, did you see the news about the old warehouse? They blew it up yesterday.
Ben: Wow, I didn’t know that. It must have been a big explosion.
Practice
Choose the correct sentence:
- a) Please blow the balloon it up.
- b) Please blow it up the balloon.
- c) Please blow up the balloon.
Answer: c) Please blow up the balloon.
FAQs
- Q: Can “blow sth up” mean only explosions?
A: No, it can also mean inflating or enlarging something. - Q: Is “blow sth up” formal English?
A: It is mainly informal but used in everyday speech and writing. - Q: Can I say “blow up the photo” and “blow the photo up”?
A: Yes, both are correct. - Q: What is the opposite of “blow sth up”?
A: It depends on meaning, but for inflating, the opposite is “let sth down” or “deflate.” - Q: Can I use “blow sth up” with people?
A: No, it is not used to mean exploding people. It is usually for objects.
