Cool MateCertain vs Sure
When to use each in English, with meaning, register, and examples.
| Certain | Sure | |
|---|---|---|
| Meaning | sure, without any doubt | certain or confident about something |
| CEFR level | A2 | A1 |
| Part of speech | adjective | adjective |
| Usage notes | Use 'certain' when you want to express confidence in something. It's appropriate in both spoken and written English, but avoid it in very formal contexts where 'specific' or 'determined' may be better. | Used to express agreement or assurance. It's typically appropriate in most casual and formal contexts, but can feel dismissive if overused in a conversation. |
Frequently asked questions: Certain vs Sure
What's the difference between "Certain" and "Sure"?
"Certain" means: sure, without any doubt "Sure" means: certain or confident about something
When should I use "Certain" and "Sure"?
They can all be used in everyday English.
Are "Certain" and "Sure" the same CEFR level?
"Certain" is at A2, "Sure" is at A1 on the CEFR scale.