Gas sth Meaning, Examples & How to Use the Phrasal Verb

What Does “Gas sth” Mean?

“Gas sth” means to supply or fill something with gas, usually fuel or energy. It can also mean to encourage or excite someone.

Introduction

The phrase “Gas sth” is a useful phrasal verb in English, often used in everyday conversations. It usually refers to the action of filling something with gas, such as a car or a heater. But it can also mean to boost someone’s confidence or enthusiasm. Understanding the gas sth meaning helps learners use it correctly in different contexts. Whether you are talking about fueling a vehicle or encouraging a friend, this phrase is common and easy to use once you know how. This guide will explain the meaning, grammar, examples, and common mistakes to help you master “Gas sth”.

Quick Info Box

• Phrasal verb: Gas sth (Gas something)
• Type: Transitive
• Level: B1
• Short meaning: To fill with gas or to excite/encourage someone

Structure (Grammar Rules)

“Gas sth” is a separable phrasal verb. This means you can place the object (something) between “gas” and the object or after it.

• Gas the car.
• Gas it up.

Both forms are correct. Use the object directly after “gas” or between “gas” and other particles.

How to Use “Gas sth”?

You use “Gas sth” when you talk about putting gas into machines or vehicles. For example, “gas the car” means to fill the car’s tank with fuel. It can also be used informally to mean encouraging or hyping someone up, like “He gassed up the team before the game.”

Examples

Here are some examples of “Gas sth” in a sentence to help you understand better:

• We need to gas the lawn mower before using it.
• She gassed her car at the station before the trip.
• The coach gassed the players to boost their confidence.
• Can you gas the heater? It’s cold in here.
• They gassed up the bus quickly to stay on schedule.

Common Mistakes

Some learners confuse “gas sth” with “gas up” or use the wrong word order. Here are examples:

• Incorrect: I gas up the car it.
  Correct: I gas up the car.
• Incorrect: Gasmed the car before driving.
  Correct: Gassed the car before driving.
• Incorrect: Gas the up car at the station.
  Correct: Gas up the car at the station.

Differences / Synonyms

“Gas sth” is similar to “fill up” or “fuel up,” but there are small differences. “Gas sth” focuses on putting gas specifically. “Fill up” means to fill completely, and “fuel up” can mean refueling with any fuel, not just gas.

When “gas” means to encourage, it is similar to “pump up” or “hype up,” but “gas” is more informal and common in spoken English.

Common Collocations

You often see “Gas sth” used with these objects:

• Car – to fill the car with fuel
• Heater – to supply gas for warmth
• Lawn mower – to fuel garden equipment
• Bus – to fill the bus’s fuel tank
• Team – to encourage or motivate the group

Real-life Dialogue

Here is a short conversation using “Gas sth”:

Anna: The car is almost empty. Should I gas it before we leave?

Ben: Yes, please. We don’t want to stop on the highway.

Anna: Okay, I’ll gas it at the next station.

Ben: Great! Also, can you gas up the team before the game? They need motivation.

Practice

Try to complete the sentence with the correct form of “Gas sth”:

• Before the trip, I need to ______ the car.
• The coach always ______ the players before a big match.
• Can you ______ the heater? It’s freezing in here.

FAQs

• What does “gas sth” mean? It means to fill something with gas or to encourage someone.
• Is “gas sth” formal or informal? It is mostly informal, especially when meaning to encourage someone.
• Can I say “gas up the car”? Yes, “gas up” is a common expression meaning to fill the car with gas.
• Is “gas” separable? Yes, you can separate the verb and the object.
• What are synonyms for “gas” when encouraging? Pump up, hype up, motivate.