I guarantee you vs Promise
When to use each in English, with meaning, register, and examples.
I guarantee you
Top 2,000 (common)
Promise
Top 1,000 (very common)A2verb
Most common: Promise
| I guarantee you | Promise | |
|---|---|---|
| Pronunciation | 🇬🇧 //aɪ ˈɡærənˌti jʊ//🇺🇸 //aɪ ˈɡærənˌti jʊ// | 🇬🇧 /["/ˈprɒmɪs/","/ˈprɒmɪsɪz/","/ˈprɒmɪst/","/ˈprɒmɪsɪŋ/"]/🇺🇸 /["/ˈprɑːmɪs/","/ˈprɑːmɪsɪz/","/ˈprɑːmɪst/","/ˈprɑːmɪsɪŋ/"]/ |
| Meaning | I promise you that something will happen. | A commitment to do something or not do something. |
| Example | I guarantee you will love this new restaurant. | I promise to help you with your homework. |
| Register | Neutral | Neutral |
| How common | Top 2,000 (common) | Top 1,000 (very common) |
| CEFR level | - | A2 |
| Part of speech | verb | |
| Collocations | guarantee satisfaction, guarantee results, guarantee success | faithfully, solemnly, initially, can, cannot, seem to, to, as promised, I can’t promise anything |
| Antonyms | - | lie, break, betray |
| Common mistakes | Omitting 'you' and saying 'I guarantee'., Using 'guarantee' with a noun directly instead of a personal pronoun., Confusing with 'ensure' which implies preventing something. | Confusing 'promise' with 'vow' or 'pledge' in terms of strength., Using 'promise' without an object (e.g., 'I promise' should specify what)., Misusing in the past tense (e.g., 'I promised' without a follow-up). |
| Usage notes | Use in informal to neutral conversations to assure someone. Avoid in highly formal writing or speeches. | Use 'promise' when you want to express a vow or assurance. Common in both spoken and written contexts, but avoid in formal legal documents. |
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Frequently asked questions: I guarantee you vs Promise
What's the difference between I guarantee you and Promise?
I guarantee you: I promise you that something will happen. Promise: A commitment to do something or not do something.
Which is more common: I guarantee you and Promise?
Promise is the most common in everyday English.
Can you show an example of each?
I guarantee you: I guarantee you will love this new restaurant. Promise: I promise to help you with your homework.
Can I use I guarantee you and Promise interchangeably?
Not always. I guarantee you and Promise 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.