Pledge vs Vow
When to use each in English, with meaning, register, and examples.
Pledge
FormalTop 2,000 (common)C1verb
Vow
FormalTop 3,000 (common)C1verb
Most common: Pledge
| Pledge | Vow | |
|---|---|---|
| Pronunciation | 🇬🇧 //plɛdʒ//🇺🇸 //plɛdʒ// | 🇬🇧 /["/vaʊ/","/vaʊz/","/vaʊd/","/ˈvaʊɪŋ/"]/🇺🇸 /["/vaʊ/","/vaʊz/","/vaʊd/","/ˈvaʊɪŋ/"]/ |
| Meaning | To make a serious promise or commitment. | A serious promise to do something. |
| Example | She decided to pledge her support to the charity event. | She vowed never to speak to him again. |
| Register | Formal | Formal |
| How common | Top 2,000 (common) | Top 3,000 (common) |
| CEFR level | C1 | C1 |
| Part of speech | verb | verb |
| Collocations | pledge allegiance, pledge support, pledge a donation | quietly, silently, to, vow never to do something, vow revenge, vow revenge against somebody |
| Antonyms | renounce, disavow, withdraw | break, violate |
| Common mistakes | Confused with 'pledged' vs 'pledge' as different tenses., Omitting the object after the verb., Using 'pledge' when referring to a general promise instead of a formal commitment. | Confused with 'cow' — they sound similar but have different meanings., Using in informal contexts — 'vow' is too strong for casual promises. |
| Usage notes | Typically used in formal contexts, such as during ceremonies or official statements. Avoid in casual conversations. | Use 'vow' when making a serious commitment, often in formal situations like weddings or ceremonies. Avoid in casual conversations. |
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Frequently asked questions: Pledge vs Vow
What's the difference between Pledge and Vow?
Pledge: To make a serious promise or commitment. Vow: A serious promise to do something.
Which is more common: Pledge and Vow?
Pledge is the most common in everyday English.
Are Pledge and Vow the same CEFR level?
Pledge: C1, Vow: C1 on the CEFR scale.
What part of speech are Pledge and Vow?
Pledge: verb, Vow: verb.
Can you show an example of each?
Pledge: She decided to pledge her support to the charity event. Vow: She vowed never to speak to him again.
Can I use Pledge and Vow interchangeably?
Not always. Pledge 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.