extent

extent — noun

1. the total area, length, or amount that something covers or takes up, often measu

1.nounB2
Definition

the total area, length, or amount that something covers or takes up, often measured from one edge or limit to another.

Example

The full extent of the forest became visible after the fog lifted.

the full extent of [noun]

Surveyors mapped the extent of the flood damage along the river.

extent of [damage/area]

Common collocations
  • full extent
  • true extent
  • extent of the damage
  • extent of the area
  • vast extent
  • entire extent
Synonyms
  • size

    more general; used for physical dimensions of any object

  • area

    specific to two-dimensional surface measurement

  • magnitude

    more formal; often used for scale or importance

Antonyms
  • limit

    the furthest boundary or edge of something

Grammar Patterns

the extent of [something]

Usage Note

Often used with 'full' or 'true' to emphasise the complete size or boundary of something. Compare with 'scope' (range of activity) and 'scale' (relative size).

Common Mistakes

The extend of the park is 10 km.
The extent of the park is 10 km.
'extent' is a noun; 'extend' is a verb.

2. how much something is true, happens, or affects a situation — the level or stren

2.nounB2
Definition

how much something is true, happens, or affects a situation — the level or strength of an action, feeling, or condition.

Example

Sahil was surprised by the extent of public support for the new policy.

extent of [support/damage/interest]

The extent to which stress affects sleep varies from person to person.

the extent to which + clause

Common collocations
  • extent of the problem
  • extent of the damage
  • extent to which
  • full extent
  • true extent
  • to some extent
Synonyms
  • degree

    more precise when measuring steps on a scale; 'extent' suggests a wider, less exact range

  • level

    more concrete; often used for measurable quantities (e.g., noise level, water level)

  • magnitude

    more formal; emphasises greatness or importance

Grammar Patterns

the extent to which

to a ... extent

Usage Note

The most flexible sense. Can be followed by 'of + noun' or 'to which + clause'. Often interchangeable with 'degree' in abstract contexts, though 'extent' suggests a broader range.

Common Mistakes

I didn't know the extend of the problem.
I didn't know the extent of the problem.
'extent' is a noun meaning degree/range; 'extend' is a verb.

3. used to say that someone has a feeling or does something so strongly that a part

3.nounB2
Definition

used to say that someone has a feeling or does something so strongly that a particular result follows.

Example

Cyrus admired his grandfather to the extent that he chose the same career path.

to the extent that + result clause

The novel affected Aoi to the extent that she could not stop thinking about it for days.

Common collocations
  • to the extent that
Synonyms

Grammar Patterns

to the extent that + clause

Usage Note

Emphasises emotional or psychological intensity leading to a consequence. More formal than 'so much that'. Distinguish from sense 4, where the focus is on causation rather than emotional intensity.

Common Mistakes

He was tired to the extent that he fell asleep.' (odd — 'so tired that' is more natural).
She believed in the project to the extent that she invested her own savings.
Use for strong commitment or conviction, not everyday tiredness.

4. used to describe a situation in which something develops or changes up to a spec

4.nounB2
Definition

used to describe a situation in which something develops or changes up to a specific stage, and that change then brings about a particular outcome.

Example

The company's losses grew to the extent that it had to close three factories.

to the extent that + causal result

Jessica's story changed to the extent that no one recognised the original version.

Common collocations
  • to the extent that
  • to such an extent that
Synonyms

Grammar Patterns

to the extent that + clause

Usage Note

Focuses on a degree of change or development that triggers a concrete result. Sense 3 is about strong feeling; sense 4 is about factual cause and effect.

5. used in comparisons to say that two things are equal in degree, amount, or how s

5.nounB2
Definition

used in comparisons to say that two things are equal in degree, amount, or how strongly they affect a situation.

Example

Minh's parents did not worry about her brother to the same extent as her.

Talia enjoyed the film, though not to the same extent as her friends did.

not to the same extent as

Common collocations
  • to the same extent as
  • not to the same extent
  • to the same degree
Synonyms
  • as much as

    less formal; more common in spoken English

  • equally

    adverb; used in different sentence positions

Antonyms

Grammar Patterns

to the same extent as

not to the same extent

Usage Note

Often occurs in negative or contrastive structures ('not to the same extent'). Can appear as 'to the same extent that' + clause. More formal than 'as much as'.

Common Mistakes

I like reading to the same extent like watching movies.
I like reading to the same extent as watching movies.
Use 'as', not 'like', after 'to the same extent'.

6. used to show that something is partly true but not completely; a way of limiting

6.nounB1
Definition

used to show that something is partly true but not completely; a way of limiting or lowering the strength of a statement.

Example

Iker agreed with the proposal, at least to some extent.

to some extent — limiting agreement

To a certain extent, the success of the project depends on how well the team communicates.

Common collocations
  • to some extent
  • to a certain extent
  • to a large extent
  • to a limited extent
  • at least to some extent
Synonyms
Antonyms

Grammar Patterns

to some extent

to a certain extent

to a large extent

to a limited extent

Usage Note

Common in academic and professional writing to qualify claims. 'To a large extent' means 'mostly', 'to a limited extent' means 'not very much'. 'To some extent' and 'to a certain extent' are largely interchangeable.

Common Mistakes

To some extend, I agree.
To some extent, I agree.
'extent', not 'extend'. The phrase uses the noun form.

7. used to emphasise that something happens to a very great degree, often with a no

7.nounB2
Definition

used to emphasise that something happens to a very great degree, often with a noticeable result.

Example

The noise from the site increased to such an extent that nearby residents could not sleep.

to such an extent that + result

Antonia's reputation grew to such an extent that she was invited to speak at conferences worldwide.

Common collocations
  • to such an extent that
  • to such a degree that
Synonyms

Grammar Patterns

to such an extent that

Usage Note

Stronger and more emphatic than 'to the extent that' (sense 4). Often used in formal writing or speech to highlight dramatic results. Compare with 'so...that' constructions.

Common Mistakes

His phone rang to such an extent that it annoyed me.' (too trivial for this dramatic phrase).
The crisis deepened to such an extent that the government had to intervene.
Reserve for serious or significant situations.

8. used in questions to ask about how much something is true, how far it reaches, o

8.nounB1
Definition

used in questions to ask about how much something is true, how far it reaches, or how strongly it applies.

Example

To what extent does social media influence young people's buying choices?

To what extent + question — asking about degree

Ada wondered to what extent her childhood memories matched the reality of those years.

Common collocations
  • to what extent
  • to what degree
Synonyms
  • how much

    less formal; more common in everyday conversation

  • how far

    focuses on limits or boundaries

  • in what way

    focuses on manner rather than degree

Grammar Patterns

to what extent + clause

Usage Note

Common in academic writing, surveys, and formal discussion. More precise than 'how much'. Used both as a direct question (sense 8) and as an indirect question embedded in a statement (see example 2).

Common Mistakes

To which extent does this matter?
To what extent does this matter?
Use 'what', not 'which', in this fixed phrase.
Idioms

to… extent

idiom

This phrase shows the degree or level of something, like how true or strong it is.

To a large extent, the project's success depends on good planning.

Did the storm damage the crops to any extent?

Word family

Synonym discussion

Sense: noun/2

While all five words describe measurement along a continuum, they differ in what they measure. 'Extent' is the broadest term — it covers how far something reaches in size, importance, or effect (e.g., 'the extent of the damage'). 'Degree' is more precise, often suggesting steps on a scale ('a high degree of accuracy'); it is the best choice when you can imagine gradations. 'Scope' refers to the range of activities, topics, or subjects that something covers ('the scope of the investigation'), and works well for projects and responsibilities. 'Range' suggests the upper and lower limits between which something varies ('a wide range of temperatures'), making it ideal for measurable sets. 'Scale' emphasises relative size or magnitude, often with a sense of comparison to a norm ('the scale of the problem surprised everyone'). In practice: 'To what extent do you agree?' (broad degree) vs. 'To what degree?' (more precise measurement) vs. 'What is the scope?' (coverage of topics).

extent ↗degree ↗scope ↗range ↗scale ↗

Common collocations

Nouns

Adverbs

Phrases

  • to some extent
  • to a large extent
  • to a certain extent
  • to a limited extent
  • to what extent
  • to the extent that
  • to such an extent that
  • to the same extent as
  • to a great extent
  • to a lesser extent
  • to a greater extent
  • to an extent

Prepositions

Etymology

LatinAnglo-FrenchEnglish

'Extent' comes from the Latin word 'extentus', the past participle of 'extendere', meaning 'to stretch out'. It entered English through Anglo-French 'extente' in the 14th century, originally referring to a valuation or assessment of land. By the 16th century, its meaning had broadened to cover any measured area or degree of something.