Expand on sth Meaning, Examples & How to Use the Phrasal Verb

What Does “Expand on sth” Mean?

“Expand on sth” means to give more details or explain something more fully. It is often used when someone wants additional information or clarification.

Introduction

The phrase “expand on sth” is a common phrasal verb in English. It is used when someone wants to develop or explain an idea, statement, or topic in more detail. Understanding the expand on sth meaning helps learners communicate more clearly, especially in conversations, presentations, and writing. For example, if a teacher asks you to expand on your answer, they want you to provide more information or examples. This phrasal verb is useful in both formal and informal contexts and improves the clarity of communication.

Quick Info Box

• Phrasal verb: expand on something
• Type: transitive
• Level: B2 (Upper-Intermediate)
• Short meaning: to give more details about something

Structure (Grammar Rules)

“Expand on sth” is a transitive phrasal verb, meaning it requires an object.

• It is inseparable. You cannot put the object between “expand” and “on”.
• Correct pattern: expand on + noun
• Incorrect: expand something on

Example: She expanded on her ideas during the meeting.

How to Use “Expand on sth”?

You use “expand on sth” when you want to add more information or explain something in greater detail. It is often used in academic, business, or everyday conversations.

For example, if someone gives a short answer, you might ask them to expand on it to understand better. It can also mean to develop an idea or topic further in writing or speech.

Examples

Here are some natural sentences using “expand on sth” in different contexts:

• During the interview, the candidate was asked to expand on her previous work experience.
• Can you expand on your plan for the new project? I want to understand it more clearly.
• The professor expanded on the theory to help students grasp the concept better.
• In your essay, try to expand on the main points with examples.
• The speaker expanded on the challenges the company faced last year.

Common Mistakes

Sometimes learners confuse the word order or use “expand” without “on.” Here are some common mistakes:

• Incorrect: Please expand your ideas on the topic.
• Correct: Please expand on your ideas about the topic.
• Incorrect: She expanded the topic on the presentation.
• Correct: She expanded on the topic during the presentation.

Remember, always use “expand on” followed by the object.

Differences / Synonyms

“Expand on sth” is similar to verbs like “elaborate on,” “develop,” or “explain.” However, there are slight differences:

• Expand on: Focuses on adding more details or lengthening the explanation.
• Elaborate on: Means to explain something more clearly or with more detail, often more formal.
• Develop: Often used to mean improving or building upon an idea or plan.
• Explain: Means to make something clear or easy to understand.

Example: “Can you elaborate on your answer?” is more formal than “Can you expand on your answer?”

Common Collocations

Here are some common objects used with “expand on” and their meanings:

• Idea — to give more details about a thought or plan
• Answer — to provide a fuller response
• Point — to develop or explain a specific argument
• Topic — to discuss a subject more deeply
• Plan — to describe a project or strategy in more detail

Related Phrasal Verbs

Here are related phrasal verbs of expand on sth:

• Expand Upon Sth

Real-life Dialogue

Here is a short conversation using “expand on sth”:

Anna: Could you expand on your idea about the marketing strategy?

John: Sure! I think we should focus more on social media ads because they reach a younger audience.

Anna: That makes sense. Can you give some examples?

John: Yes, I will prepare a detailed plan for the next meeting.

Practice

Try to complete the sentences below with the correct form of “expand on”:

• Can you _______ your answer? I didn’t understand the first part.
• The manager asked the team to _______ the new project details.
• In your presentation, please _______ the challenges you faced.

FAQs

• What does “expand on sth” mean? It means to give more details or explain something more fully.
• Is “expand on” separable? No, you cannot separate “expand” and “on” with the object.
• Can I use “expand on” in formal writing? Yes, it is suitable for both formal and informal contexts.
• What is the difference between “expand on” and “elaborate on”? “Elaborate on” is slightly more formal and means to explain clearly with more detail.
• Can I say “expand something on”? No, the correct form is “expand on something.”