Assurance vs Confidence

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

 AssuranceConfidence
MeaningA promise that something will happen or be true.Believing in yourself and your abilities.
Registerformal-
CEFR levelC1B2
Part of speechnounnoun
Usage notesOften used in business or legal contexts when making promises or guarantees. Not commonly used in casual conversations.Use 'confidence' in both casual and formal contexts. It's appropriate when discussing self-belief, particularly in academic or professional settings.

Frequently asked questions: Assurance vs Confidence

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

"Assurance" means: A promise that something will happen or be true. "Confidence" means: Believing in yourself and your abilities.

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

"Assurance" is formal.

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

"Assurance" is at C1, "Confidence" is at B2 on the CEFR scale.