What Does “Rev sth” Mean?
“Rev sth” means to increase the speed or power of an engine, usually by making it run faster. It is often used when talking about cars, motorcycles, or machines.
Introduction
The phrasal verb “Rev sth” is commonly used in everyday English when discussing engines or machines. “Rev” is short for “revolve,” referring to how quickly an engine’s parts turn. When you “rev something,” you make the engine run faster by increasing its revolutions per minute (RPM). This action is often heard in racing, driving, or mechanical contexts. Understanding the “Rev sth meaning” helps learners talk about cars, motorcycles, and other machines naturally and clearly. It’s a useful verb in both casual and technical conversations.
Quick Info Box
- Phrasal verb: Rev sth (rev something)
- Type: Transitive
- Level: A2–B2
- Short meaning: To increase the engine speed of something
Structure (Grammar Rules)
“Rev sth” is a transitive phrasal verb, which means it always needs an object (the thing being revved). It is separable, so the object can come after “rev” or between “rev” and the particle if there were one (though “rev” has no particle, so the object always follows directly).
Patterns:
- rev + object (e.g., rev the engine)
How to Use Rev sth?
Use “rev sth” when talking about increasing the speed of an engine or machine. It often describes the sound or action when the engine runs faster. You can use it in both literal and figurative contexts, but it mainly relates to vehicles or mechanical devices.
Example: “He revved the motorcycle before taking off.”
Examples
When you want to describe someone making an engine louder or faster, “rev sth” is the right phrase. Here are some examples of “Rev sth in a sentence”:
- She revved the car engine to warm it up.
- The driver revved the motorbike loudly at the start of the race.
- He loves to rev his old car just for fun.
- The mechanic revved the engine to check if it was working properly.
Common Mistakes
People sometimes forget to include the object after “rev” or use it in the wrong context. Here are some examples of incorrect versus correct usage:
- Incorrect: I rev loudly. (Missing object)
- Correct: I rev the engine loudly.
- Incorrect: She revved her voice. (Wrong context)
- Correct: She revved the engine.
Differences / Synonyms
“Rev sth” is similar to “accelerate” but with a focus on the engine’s speed rather than the vehicle’s movement. “Speed up” is more general and can apply to anything increasing speed, while “rev” specifically means increasing engine RPM.
- Rev sth: Increase engine speed.
- Accelerate: Increase vehicle speed.
- Speed up: Make something go faster (general).
Common Collocations
When using “rev,” certain objects are commonly paired with it. These collocations help you sound natural and accurate.
- rev the engine: Increase the engine’s speed.
- rev the motor: Same as engine, often used for motorcycles.
- rev the car: Increase a car’s engine speed.
- rev the bike: Increase a motorcycle’s engine speed.
Related Phrasal Verbs
Here are related phrasal verbs of rev sth:
Real-life Dialogue
Here is a short conversation where “rev sth” is used naturally:
Alex: Why did you rev the engine so loudly?
Jamie: I wanted to check if it was running smoothly before we left.
Alex: It sounded powerful! Be careful not to over-rev it.
Practice
Try to complete the sentence with the correct form of “rev sth”:
Before driving off, he _______ the _______ to make sure it was working well.
- a) revved / engine
- b) rev / voice
- c) revving / bike
- d) revved / song
FAQ
- What does “rev sth” mean? It means to increase the speed of an engine or machine.
- Can I use “rev” without an object? No, “rev” is a transitive verb and needs an object.
- Is “rev” used only for cars? No, it can be used for any engine or motor, like motorcycles or machines.
- What is the difference between “rev” and “accelerate”? “Rev” focuses on engine speed, while “accelerate” means to increase the speed of the vehicle.
- How do I pronounce “rev”? It is pronounced as /rɛv/.

