Extremely vs Really

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

Extremely

Top 1,000 (very common)A2adverb

Really

Top 1,000 (very common)A1adverb
 ExtremelyReally
Pronunciation🇬🇧 /["/ɪkˈstriːmli/"]/🇺🇸 /["/ɪkˈstriːmli/"]/🇬🇧 /["/ˈriːəli//ˈrɪəli/"]/🇺🇸 /["/ˈriːəli/"]/
MeaningVery much; to a very high degree.very or truly
ExampleShe was extremely happy about her exam results.I really enjoy going to the beach.
RegisterNeutralNeutral
How commonTop 1,000 (very common)Top 1,000 (very common)
CEFR levelA2A1
Part of speechadverbadverb
Collocationsextremely happy, extremely difficult, extremely important, extremely cold, extremely fastreally want, really good, really sure, really excited, really important
Antonymsslightly, moderatelyseldom, never
Common mistakesUsing 'extremely' with nouns, e.g., 'extremely happy person' instead of 'extremely happy'., Confusing 'extremely' with similar adverbs like 'really' for less intense expressions., Placing 'extremely' incorrectly in a sentence, altering the meaning.Using it in place of 'real' when describing a noun., Confusing it with 'really' in terms of degree, e.g., 'really good' instead of 'very good'.
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 an adjective or another adverb. It can be informal in casual conversations but is accepted in most contexts; avoid overusing it in formal writing.

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Extremely
Really

Frequently asked questions: Extremely vs Really

What's the difference between Extremely and Really?

Extremely: Very much; to a very high degree. Really: very or truly

Which is more advanced: Extremely and Really?

Extremely is the highest level, at A2, on the CEFR scale.

Are Extremely and Really the same CEFR level?

Extremely: A2, Really: A1 on the CEFR scale.

What part of speech are Extremely and Really?

Extremely: adverb, Really: adverb.

Can you show an example of each?

Extremely: She was extremely happy about her exam results. Really: I really enjoy going to the beach.

Can I use Extremely and Really interchangeably?

Not always. Extremely and Really 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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