Certainty vs Confidence

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

 CertaintyConfidence
MeaningBeing sure about something.Believing in yourself and your abilities.
CEFR levelB2B2
Part of speechnounnoun
Usage notesUsed in both written and spoken contexts. More formal than 'sure'. Appropriate in academic or serious discussions, but can also be used casually to emphasize confidence.Use 'confidence' in both casual and formal contexts. It's appropriate when discussing self-belief, particularly in academic or professional settings.

Frequently asked questions: Certainty vs Confidence

What's the difference between "Certainty" and "Confidence"?

"Certainty" means: Being sure about something. "Confidence" means: Believing in yourself and your abilities.

When should I use "Certainty" and "Confidence"?

They can all be used in everyday English.

Are "Certainty" and "Confidence" the same CEFR level?

"Certainty" is at B2, "Confidence" is at B2 on the CEFR scale.

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