Cool MateConfirm vs Say for sure
When to use each in English, with meaning, register, and examples.
Confirm
Top 2,000 (common)B1verb
Say for sure
Top 3,000 (common)
Most common: Confirm
| Confirm | Say for sure | |
|---|---|---|
| Pronunciation | 🇬🇧 //kənˈfɜːm//🇺🇸 //kənˈfɜrm// | 🇬🇧 //seɪ fə ʃʊə//🇺🇸 //seɪ fɔr ʃʊr// |
| Meaning | To say that something is true or to make sure of it. | To confirm something definitely. |
| Example | Can you confirm the time for the meeting tomorrow? | I can say for sure that we'll finish on time. |
| Register | Neutral | Neutral |
| How common | Top 2,000 (common) | Top 3,000 (common) |
| CEFR level | B1 | - |
| Part of speech | verb | |
| Collocations | confirm a reservation, confirm an appointment, confirm information, confirm a hypothesis, confirm results | say for sure something, say for sure that, can say for sure, must say for sure, don't know for sure |
| Antonyms | deny, disprove, reject | - |
| Common mistakes | Confused with 'affirm' which is more formal., Using 'confirm' without an object in sentences., Incorrectly assuming 'confirmed' is always followed by a date. | Using 'say for sure' without a clause, e.g., 'I say for sure it is.', Confusing with similar phrases like 'say definitely'., Incorrectly using in very formal contexts. |
| Usage notes | Use 'confirm' in both formal and informal contexts, such as meetings or casual conversations. It's appropriate when verifying information or giving approval. | Use in informal or casual contexts to express certainty. Not suitable for formal writing or speeches. |
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Frequently asked questions: Confirm vs Say for sure
What's the difference between Confirm and Say for sure?
Confirm: To say that something is true or to make sure of it. Say for sure: To confirm something definitely.
Which is more common: Confirm and Say for sure?
Confirm is the most common in everyday English.
Can you show an example of each?
Confirm: Can you confirm the time for the meeting tomorrow? Say for sure: I can say for sure that we'll finish on time.
Can I use Confirm and Say for sure interchangeably?
Not always. Confirm and Say for sure 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.