Cool MateI guarantee it vs I swear
When to use each in English, with meaning, register, and examples.
I guarantee it
Top 2,000 (common)
I swear
InformalTop 2,000 (common)
Most formal: I guarantee it
| I guarantee it | I swear | |
|---|---|---|
| Pronunciation | 🇬🇧 //aɪ ˈɡɛrənˌti ɪt//🇺🇸 //aɪ ˈɡɛrənˌti ɪt// | 🇬🇧 //aɪ swɛər//🇺🇸 //aɪ swɛr// |
| Meaning | I promise something will happen. | I promise something is true |
| Example | If you follow my advice, I guarantee it will work. | I swear I'm telling the truth! |
| Register | Neutral | Informal |
| How common | Top 2,000 (common) | Top 2,000 (common) |
| Collocations | guarantee success, guarantee satisfaction, guarantee results, guarantee delivery, guarantee safety | swear to tell the truth, swear on my life, swear under oath |
| Common mistakes | Confusing with 'I assure you', which is less forceful., Using 'I guarantee it' when unsure, as it implies certainty. | Using 'swear' without 'I' (like 'swear it's true') - it sounds unnatural., Confusing with 'promise' – 'swear' is stronger and often more emotional., Forgetting to use it only in informal settings. |
| Usage notes | Use 'I guarantee it' when you're confident about the outcome of something. It's suitable for both formal and informal contexts. | Use in casual conversation to emphasize the truthfulness of a statement. It can express strong feelings. Not appropriate for formal contexts. |
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Frequently asked questions: I guarantee it vs I swear
What's the difference between I guarantee it and I swear?
I guarantee it: I promise something will happen. I swear: I promise something is true
Which is more formal: I guarantee it and I swear?
I guarantee it is the most formal of these.
Can you show an example of each?
I guarantee it: If you follow my advice, I guarantee it will work. I swear: I swear I'm telling the truth!
Can I use I guarantee it and I swear interchangeably?
Not always. I guarantee it and I swear 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.