I made a promise vs Vow

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

I made a promise

Top 2,000 (common)

Vow

FormalTop 3,000 (common)C1verb
Most formal: VowMost common: I made a promise
 I made a promiseVow
Pronunciation🇬🇧 //aɪ meɪd ə ˈprɒmɪs//🇺🇸 //aɪ meɪd ə ˈprɑːmɪs//🇬🇧 /["/vaʊ/","/vaʊz/","/vaʊd/","/ˈvaʊɪŋ/"]/🇺🇸 /["/vaʊ/","/vaʊz/","/vaʊd/","/ˈvaʊɪŋ/"]/
MeaningI said I would do something and I will keep my word.A serious promise to do something.
ExampleI made a promise to help her move this weekend.She vowed never to speak to him again.
RegisterNeutralFormal
How commonTop 2,000 (common)Top 3,000 (common)
CEFR level-C1
Part of speechverb
Collocationsmake a promise, keep a promise, break a promise, fulfill a promise, honor a promisequietly, silently, to, vow never to do something, vow revenge, vow revenge against somebody
Antonyms-break, violate
Common mistakesConfused with 'I made a promise to me' instead of 'I made a promise to myself'., Saying 'I make a promise' when referring to a past promise., Omitting 'I' at the beginning of the sentence.Confused with 'cow' — they sound similar but have different meanings., Using in informal contexts — 'vow' is too strong for casual promises.
Usage notesUsed in both formal and informal contexts. Avoid in casual conversations; prefer more concise phrases.Use 'vow' when making a serious commitment, often in formal situations like weddings or ceremonies. Avoid in casual conversations.

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I made a promise

Frequently asked questions: I made a promise vs Vow

What's the difference between I made a promise and Vow?

I made a promise: I said I would do something and I will keep my word. Vow: A serious promise to do something.

Which is more formal: I made a promise and Vow?

Vow is the most formal of these.

Which is more common: I made a promise and Vow?

I made a promise is the most common in everyday English.

Can you show an example of each?

I made a promise: I made a promise to help her move this weekend. Vow: She vowed never to speak to him again.

Can I use I made a promise and Vow interchangeably?

Not always. I made a promise and Vow are related and overlap in some contexts, but they differ in register, how common they are, and usage, so swapping one for another can change the meaning or tone. Check the differences above before substituting.

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