Extensive vs Wide

When to use each in English, with meaning, register, and examples.

Extensive

Top 1,000 (very common)B2adjective

Wide

Top 1,000 (very common)A2adjective
 ExtensiveWide
Pronunciation🇬🇧 /["/ɪkˈstensɪv/"]/🇺🇸 /["/ɪkˈstensɪv/"]/🇬🇧 /["/waɪd/"]/🇺🇸 /["/waɪd/"]/
Meaningvery large in size or amountSomething that has a lot of space from one side to the other.
ExampleThe company conducted extensive research before launching the new product.The river is wide enough for boats to pass through easily.
RegisterNeutralNeutral
How commonTop 1,000 (very common)Top 1,000 (very common)
CEFR levelB2A2
Part of speechadjectiveadjective
Collocationsextensive research, extensive experience, extensive coverage, extensive network, extensive trainingbe, seem, become, extremely, fairly, very, far and wide, be, go, grow, extremely, really, very, with
Antonymslimited, narrow, restrictednarrow, tight
Common mistakesConfused with 'intensive' which means having a high degree or level., Using 'extensive' in informal contexts where simpler words like 'big' might be more appropriate.'Wide' confused with 'broad', thinking they mean exactly the same., Using 'wider' incorrectly in comparisons where 'more wide' is mistakenly used., Saying 'widest' when referring to multiple items instead of using 'the widest'.
Usage notesUse 'extensive' when describing a large range or variety, especially in formal contexts like reports or academic writing. Avoid in casual conversations.Use 'wide' to describe physical dimensions, such as the width of an object or area. It can also describe more abstract concepts like 'wide range of options'. Avoid using in overly formal contexts.

Frequently asked questions: Extensive vs Wide

What's the difference between Extensive and Wide?

Extensive: very large in size or amount Wide: Something that has a lot of space from one side to the other.

Which is more advanced: Extensive and Wide?

Extensive is the highest level, at B2, on the CEFR scale.

Are Extensive and Wide the same CEFR level?

Extensive: B2, Wide: A2 on the CEFR scale.

What part of speech are Extensive and Wide?

Extensive: adjective, Wide: adjective.

Can you show an example of each?

Extensive: The company conducted extensive research before launching the new product. Wide: The river is wide enough for boats to pass through easily.

Can I use Extensive and Wide interchangeably?

Not always. Extensive and Wide are related and overlap in some contexts, but they differ in register, how common they are, and usage, so swapping one for another can change the meaning or tone. Check the differences above before substituting.