Extensively vs Widely

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

Extensively

Top 2,000 (common)B2adverb

Widely

Top 2,000 (common)B2adverb
 ExtensivelyWidely
Pronunciation🇬🇧 /["/ɪkˈstensɪvli/"]/🇺🇸 /["/ɪkˈstensɪvli/"]/🇬🇧 /["/ˈwaɪdli/"]/🇺🇸 /["/ˈwaɪdli/"]/
MeaningIn a very detailed and wide-ranging way.A word that means many people or places.
ExampleShe has travelled extensively.The concept of democracy is widely accepted around the world.
RegisterNeutralNeutral
How commonTop 2,000 (common)Top 2,000 (common)
CEFR levelB2B2
Part of speechadverbadverb
Collocationsresearch extensively, study extensively, travel extensively, document extensivelywidely accepted, widely regarded, widely available, widely used, widely known
Antonymssuperficially, shallowlynarrowly, limitedly
Common mistakesConfuse with 'intensively' which means deeply focused but not necessarily wide in scope., Using it in a sentence where the action isn't broad or detailed enough., Incorrectly using it as a noun instead of an adverb.Confused with 'widely-known' as if it means the same thing., Using 'widely' when talking about one specific place or person., Misplacing 'widely' in a sentence, making it unclear.
Usage notesUse 'extensively' when describing actions that are done in-depth or in a large scope. It is appropriate in both spoken and written contexts but may feel overly formal in casual conversations.Use 'widely' to describe something that is common or popular in many areas. It is not typically used in very formal writing or speech.

Frequently asked questions: Extensively vs Widely

What's the difference between Extensively and Widely?

Extensively: In a very detailed and wide-ranging way. Widely: A word that means many people or places.

Are Extensively and Widely the same CEFR level?

Extensively: B2, Widely: B2 on the CEFR scale.

Can I use Extensively and Widely interchangeably?

Not always. Extensively and Widely 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.

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