Approximately vs Roughly

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

 ApproximatelyRoughly
MeaningAbout or close to a certain amount.Approximately, not exactly
CEFR levelB1B2
Part of speechadverbadverb
Usage notesUse 'approximately' when giving an estimate. It's appropriate in academic and professional contexts, but may sound overly formal in casual conversations.Use 'roughly' when you want to give an estimate or approximation. It’s neutral and suitable for most contexts, but avoid in very formal writing.

Frequently asked questions: Approximately vs Roughly

What's the difference between "Approximately" and "Roughly"?

"Approximately" means: About or close to a certain amount. "Roughly" means: Approximately, not exactly

When should I use "Approximately" and "Roughly"?

They can all be used in everyday English.

Are "Approximately" and "Roughly" the same CEFR level?

"Approximately" is at B1, "Roughly" is at B2 on the CEFR scale.

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