What Does “Pump sth in” Mean?
“Pump sth in” means to supply or inject a large amount of something, usually money, energy, or resources, into a project, system, or place.
Introduction
The phrasal verb “pump sth in” is commonly used in both everyday and business English. It refers to the act of putting a significant amount of something—often money, effort, or resources—into an activity or organization to help it grow or improve. Understanding the “pump sth in” meaning helps learners express ideas related to investment, support, or energy flow. You might hear it in contexts like finance, engineering, or even sports. This phrase is practical and useful for describing situations where something is actively added or invested to achieve a goal.
Quick Info Box
- Phrasal Verb: pump something in
- Type: transitive
- Level: B2
- Meaning: to supply or inject a large amount of something into something else
Structure (Grammar Rules)
“Pump sth in” is separable, which means you can place the object (something) between “pump” and “in” or after “in.”
- pump something in (correct)
- pump in something (also correct)
Example patterns:
- Subject + pump + object + in
- Subject + pump + in + object
How to Use Pump sth in?
Use “pump sth in” when talking about supplying or injecting a large quantity of something, often to support or improve a situation. It mostly appears in contexts like finance (money), energy (electricity or fuel), or resources (water, effort).
Examples:
- Companies often pump money in to develop new products.
- They pumped water in to stop the fire from spreading.
Examples
Here are some natural sentences using “pump sth in”:
- The government decided to pump billions of dollars in to boost the economy.
- Engineers pumped fuel in to restart the machine.
- Investors are willing to pump capital in to support the startup.
- The team pumped energy in during the final minutes of the game.
These examples show how “pump sth in in a sentence” helps describe adding resources or energy effectively.
Common Mistakes
Sometimes learners confuse the position of the object or misuse the phrase. Here are some examples:
- Incorrect: They pumped in money the project.
Correct: They pumped money in to the project. - Incorrect: She pumped in quickly the fuel.
Correct: She pumped the fuel in quickly.
Remember, the object must be close to the verb “pump,” and the phrase can be separated.
Differences / Synonyms
“Pump sth in” is similar to “inject,” “put in,” or “pour in,” but it usually suggests a continuous or forceful supply. For example:
- Inject: More formal, often medical or technical.
- Put in: More general, less forceful.
- Pour in: Often used with liquids, less forceful than pump.
“Pump sth in” implies an active, often mechanical or energetic process of adding something.
Common Collocations
We often use “pump sth in” with certain objects. Here are common collocations:
- Money: Financial support
- Energy: Physical or electrical power
- Fuel: Gasoline or other energy sources
- Water: Liquid supply for various needs
- Resources: General supplies or materials
Related Phrasal Verbs
Here are related phrasal verbs of pump sth in:
Real-life Dialogue
Imagine two coworkers discussing a project:
Anna: The project needs more funds to move forward.
Ben: I heard the company will pump more money in next quarter.
Anna: That’s great! It should help us meet the deadline.
Practice
Fill in the blanks with the correct form of “pump sth in”:
- The city plans to _________ more water _________ to prevent drought.
- Investors are ready to _________ capital _________ for the new startup.
- They _________ energy _________ during the final stage of the race.
FAQ
- What does “pump sth in” mean? It means to supply or inject a large amount of something into something else.
- Is “pump sth in” separable? Yes, you can place the object between “pump” and “in” or after “in.”
- Can “pump sth in” be used with money? Yes, it is commonly used to describe investing money.
- Is “pump sth in” formal or informal? It is neutral and suitable for both formal and informal contexts.
- What are some synonyms for “pump sth in”? Inject, put in, or pour in, depending on context.

