Extremely vs Highly

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

 ExtremelyHighly
MeaningVery much; to a very high degree.Very much or to a great degree.
CEFR levelA2B1
Part of speechadverbadverb
Usage notesUse 'extremely' to emphasize adjectives or adverbs. Appropriate in both spoken and written English, but avoid in casual contexts where simpler terms like 'really' may suffice.Used to emphasize the degree of an adjective or adverb. Typically appropriate in both spoken and written language, but be cautious in informal settings where simpler terms might be preferred.

Frequently asked questions: Extremely vs Highly

What's the difference between "Extremely" and "Highly"?

"Extremely" means: Very much; to a very high degree. "Highly" means: Very much or to a great degree.

When should I use "Extremely" and "Highly"?

They can all be used in everyday English.

Are "Extremely" and "Highly" the same CEFR level?

"Extremely" is at A2, "Highly" is at B1 on the CEFR scale.

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