Cool MatePromise vs Vow
When to use each in English, with meaning, register, and examples.
| Promise | Vow | |
|---|---|---|
| Meaning | A commitment to do something or not do something. | A serious promise to do something. |
| Register | - | formal |
| CEFR level | A2 | C1 |
| Part of speech | verb | verb |
| Usage notes | Use 'promise' when you want to express a vow or assurance. Common in both spoken and written contexts, but avoid in formal legal documents. | Use 'vow' when making a serious commitment, often in formal situations like weddings or ceremonies. Avoid in casual conversations. |
Frequently asked questions: Promise vs Vow
What's the difference between "Promise" and "Vow"?
"Promise" means: A commitment to do something or not do something. "Vow" means: A serious promise to do something.
When should I use "Promise" and "Vow"?
"Vow" is formal.
Are "Promise" and "Vow" the same CEFR level?
"Promise" is at A2, "Vow" is at C1 on the CEFR scale.