Extent vs Size

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

 ExtentSize
MeaningThe degree or amount of something.how big or small something is
CEFR levelB2A2
Part of speechnounnoun
Usage notesUse 'extent' in formal or written contexts when discussing levels or degrees. It's less common in everyday speech.Used in both formal and informal contexts. 'Size' is suitable for descriptions of objects, clothing, and measurements but is less appropriate for abstract concepts without clear dimensions.

Frequently asked questions: Extent vs Size

What's the difference between "Extent" and "Size"?

"Extent" means: The degree or amount of something. "Size" means: how big or small something is

When should I use "Extent" and "Size"?

They can all be used in everyday English.

Are "Extent" and "Size" the same CEFR level?

"Extent" is at B2, "Size" is at A2 on the CEFR scale.

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