Pledge vs Promise

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

 PledgePromise
MeaningTo make a serious promise or commitment.A commitment to do something or not do something.
Registerformal-
CEFR levelC1A2
Part of speechverbverb
Usage notesTypically used in formal contexts, such as during ceremonies or official statements. Avoid in casual conversations.Use 'promise' when you want to express a vow or assurance. Common in both spoken and written contexts, but avoid in formal legal documents.

Frequently asked questions: Pledge vs Promise

What's the difference between "Pledge" and "Promise"?

"Pledge" means: To make a serious promise or commitment. "Promise" means: A commitment to do something or not do something.

When should I use "Pledge" and "Promise"?

"Pledge" is formal.

Are "Pledge" and "Promise" the same CEFR level?

"Pledge" is at C1, "Promise" is at A2 on the CEFR scale.

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