Extremely vs Terribly

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

Extremely

Top 1,000 (very common)A2adverb

Terribly

Top 2,000 (common)B2adverb
Most common: Extremely
 ExtremelyTerribly
Pronunciation🇬🇧 /["/ɪkˈstriːmli/"]/🇺🇸 /["/ɪkˈstriːmli/"]/🇬🇧 /["/ˈterəbli/"]/🇺🇸 /["/ˈterəbli/"]/
MeaningVery much; to a very high degree.Very badly or extremely.
ExampleShe was extremely happy about her exam results.I'm terribly sorry—did I hurt you?
RegisterNeutralNeutral
How commonTop 1,000 (very common)Top 2,000 (common)
CEFR levelA2B2
Part of speechadverbadverb
Collocationsextremely happy, extremely difficult, extremely important, extremely cold, extremely fastterribly wrong, terribly sorry, terribly afraid, terribly upset
Antonymsslightly, moderatelywonderfully, fantastically, nicely
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 'terribly' with positive contexts (e.g., 'terribly good' instead of 'really good')., Confusing 'terribly' with 'terrific' which has the opposite meaning., Omitting it when making a strong negative statement.
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.Use 'terribly' to emphasize a negative situation or quality. It's common in both spoken and written English but avoid in formal contexts. For example, 'I felt terribly tired.'

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Terribly

Frequently asked questions: Extremely vs Terribly

What's the difference between Extremely and Terribly?

Extremely: Very much; to a very high degree. Terribly: Very badly or extremely.

Which is more common: Extremely and Terribly?

Extremely is the most common in everyday English.

Which is more advanced: Extremely and Terribly?

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

Are Extremely and Terribly the same CEFR level?

Extremely: A2, Terribly: B2 on the CEFR scale.

What part of speech are Extremely and Terribly?

Extremely: adverb, Terribly: adverb.

Can you show an example of each?

Extremely: She was extremely happy about her exam results. Terribly: I'm terribly sorry—did I hurt you?

Can I use Extremely and Terribly interchangeably?

Not always. Extremely and Terribly 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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