expand
gb/ɪkspˈænd/ us/ɪkspˈænd/
B1
English
~ 2100
Senses
0 senses
Verb
B1
action
1
Increase size or amount
To make something bigger or more; to grow in size or amount.
Usage pattern:
to expand [something]
Common mistake:
Learners sometimes confuse 'expand' with 'extend'; 'extend' usually means to make something longer in time or space, while 'expand' means to make it bigger in size or scope.
Synonyms
enlarge (Focuses more on physical size rather than quantity or scope.)
Antonyms
shrink (Means to become smaller in size, amount, or extent.)
Collocations
expand a business
|expand operations
|expand the range
|expand rapidly
|expand capacity
Themes
business
|science
|daily life
|core_vocabulary
Examples
- The company plans to expand its operations into Asia.
- They decided to expand the kitchen to make more room.
- The government is working to expand access to healthcare.
Learner examples
- We want to expand our shop.
- He will expand the garden next year.
- The school will expand the library.
Verb
B1
action
2
Become larger or greater
To get bigger in size, number, or amount.
Usage pattern:
[something] expands
Common mistake:
Learners may confuse this with 'explode'; 'expand' is gradual increase, not a sudden burst.
Synonyms
grow (A broader term that can refer to physical, abstract, or metaphorical increase.)
Antonyms
contract (Means to become smaller or tighter.)
Collocations
gas expands
|metal expands
|population expands
Themes
science
|daily life
|core_vocabulary
Examples
- Hot air expands as it rises.
- The city's population has expanded rapidly in recent years.
- The metal will expand when heated.
Learner examples
- Hot water expands when it gets hot.
- My town is expanding quickly.
- The balloon expands when you blow air into it.
Verb
B2
action
3
Add detail or explanation
To say or write more about something so it is clearer or more complete.
Usage pattern:
to expand on [something]
Common mistake:
Learners sometimes use 'explain' instead; 'expand' emphasizes adding more detail to what was already said.
Synonyms
elaborate (Often used in formal contexts; may imply careful explanation.)
Antonyms
summarize (Means to present only the main points without extra detail.)
Collocations
expand on a point
|expand on an idea
|expand further
Themes
communication
|education
|core_vocabulary
Examples
- Could you expand on what you mean by that?
- She expanded on her earlier remarks during the meeting.
- The author expands on this theme in later chapters.
Learner examples
- Please expand on your answer.
- He expanded on his story with more details.
- She expanded on her plan for the trip.
Grammar
Dictionary form
expand
IPA
GB/ɪkspˈænd/
US/ɪkspˈænd/
Syllables & stress
ex - pand (2 syllables)
Stress on 2nd syllable (pand)
Word forms
Verb
- Base: expand
- 3rd Person Singular: expands
- Present Participle: expanding
- Past: expanded
Word family
Forms
expands
verb
expanding
verb
expanded
verb
Core family
expansion
noun B1
expandable
adjective
Related words
expanse
noun B2
expansive
adjective
Negative and opposite forms
contract
verb B1
contraction
noun B1
Expressions
expand into
1/ɪkspˈænd ˈɪntu/
phrasal verb
Start operating in a new area
To start working in a new place or doing new kinds of work.
Examples
- The company plans to expand into South America next year.
- They are expanding into the online market.
expand on
1/ɪkspˈænd ˈɔn/
phrasal verb
Give more detail about something
To talk or write more about something by adding more information.
Examples
- The teacher asked him to expand on his answer.
- Can you expand on your reasons for leaving?
expand upon
1/ɪkspˈænd əpˈɑn/
phrasal verb
formal
Give more detail about something (formal)
To talk or write more about something by adding extra details (formal).
Examples
- The report expands upon last year's findings.
- She expanded upon her earlier comments during the conference.