Error vs Mistake

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

 ErrorMistake
MeaningA mistake or something wrong that happens.An error or something done wrongly.
CEFR levelA2A1
Part of speechnounnoun
Usage notesUse 'error' in both formal and casual contexts when talking about mistakes in writing, computer systems, or decisions. Avoid using it in very casual settings without explanation.Used in both casual and formal contexts. It’s appropriate in everyday conversation but can also be used in professional discussions about errors.

Frequently asked questions: Error vs Mistake

What's the difference between "Error" and "Mistake"?

"Error" means: A mistake or something wrong that happens. "Mistake" means: An error or something done wrongly.

When should I use "Error" and "Mistake"?

They can all be used in everyday English.

Are "Error" and "Mistake" the same CEFR level?

"Error" is at A2, "Mistake" is at A1 on the CEFR scale.

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