Badly vs Terribly

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

Badly

Top 2,000 (common)A2adverb

Terribly

Top 2,000 (common)B2adverb
 BadlyTerribly
Pronunciation🇬🇧 /["/ˈbædli/"]/🇺🇸 /["/ˈbædli/"]/🇬🇧 /["/ˈterəbli/"]/🇺🇸 /["/ˈterəbli/"]/
MeaningIn a way that is not good or not right.Very badly or extremely.
ExampleHe sings badly, but he enjoys it.I'm terribly sorry—did I hurt you?
RegisterNeutralNeutral
How commonTop 2,000 (common)Top 2,000 (common)
CEFR levelA2B2
Part of speechadverbadverb
Collocationsperform badly, work badly, behave badlyterribly wrong, terribly sorry, terribly afraid, terribly upset
Antonymswell, adequately, efficientlywonderfully, fantastically, nicely
Common mistakes'Bad' vs 'badly': Confusing the adjective (bad) with the adverb (badly)., Using 'badly' with nouns instead of verbs., Saying 'bad' when needing to describe manner; should use 'badly'.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 'badly' to describe how something is done poorly. It's appropriate in most casual contexts but can feel less formal. Avoid when the tone is serious, where alternatives like 'inadequately' might be better.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: Badly vs Terribly

What's the difference between Badly and Terribly?

Badly: In a way that is not good or not right. Terribly: Very badly or extremely.

Are Badly and Terribly the same CEFR level?

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

Can I use Badly and Terribly interchangeably?

Not always. Badly 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.