Used and loved by millions
Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
are for sure
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "are for sure" is grammatically correct and can be used in written English.
It is a commonly used phrase to express certainty about something. Example: "I checked the weather forecast multiple times, and it looks like it's going to rain tomorrow for sure."
✓ Grammatically correct
News & Media
Science
Wiki
Alternative expressions(3)
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
42 human-written examples
They are, for sure, not embraced by everyone.
News & Media
"We are, for sure, on our way to Gaza".
News & Media
Because we are for sure going to have more races.
News & Media
There are, for sure, more elections than ever before.
News & Media
"Right now we're playing pretty tight and we want to only know things that are for sure," he said.
News & Media
But two things are for sure: e-books are evolving at a screaming pace, and their appeal goes well beyond gadget freaks.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
17 human-written examples
CBS was for sure.
News & Media
That is for sure.
News & Media
He is, for sure.
News & Media
"No, that's for sure.
News & Media
P.G.: That's for sure.
News & Media
Expert writing Tips
Best practice
Use "are for sure" when you want to express confidence or certainty in a statement. It works well in informal contexts and adds emphasis to your assertion.
Common error
While "are for sure" is acceptable, avoid overusing it in formal writing. Opt for more sophisticated synonyms like "certainly" or "definitely" to maintain a professional tone.
Source & Trust
80%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "are for sure" functions as an emphatic expression of certainty. It's typically used to reinforce a statement, indicating a strong belief or expectation about something. Ludwig confirms the grammatical correctness and frequent usage.
Frequent in
News & Media
38%
Wiki
12%
Science
10%
Less common in
Formal & Business
0%
Encyclopedias
0%
Reference
0%
Ludwig's WRAP-UP
In summary, "are for sure" is a grammatically correct phrase used to express a strong sense of certainty. As confirmed by Ludwig, it's most common in informal contexts like everyday conversation and less formal writing, though it appears in news media as well. When writing formally, consider alternatives such as "certainly" or "definitely" to maintain a more professional tone. While extremely common, remember to not overuse it in a formal context and choose more suited alternatives.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
are definitely
Replaces "for sure" with "definitely", indicating a strong degree of certainty.
are certainly
Substitutes "for sure" with "certainly", conveying assurance.
are absolutely
Replaces "for sure" with "absolutely", intensifying the affirmation.
are undoubtedly
Uses "undoubtedly" instead of "for sure" to emphasize the lack of doubt.
are without a doubt
Replaces "for sure" with "without a doubt", providing a more emphatic confirmation.
are assuredly
Substitutes "for sure" with "assuredly", indicating confidence in the statement.
are positively
Uses "positively" instead of "for sure" to suggest a firm and affirmative stance.
are beyond question
Replaces "for sure" with "beyond question", highlighting the indisputable nature of the statement.
are indeed
Substitutes "for sure" with "indeed", offering a more formal confirmation.
are guaranteed
Uses "guaranteed" instead of "for sure" implying a promise or assurance of certainty.
FAQs
How can I use "are for sure" in a sentence?
You can use "are for sure" to express certainty about something. For example, "If you study hard, you "are for sure" going to pass the exam."
What can I say instead of "are for sure"?
You can use alternatives like "are definitely", "are certainly", or "are assuredly" depending on the context.
Which is correct, "are for sure" or "are definitely"?
Both "are for sure" and "are definitely" are correct, but "are definitely" is often preferred in more formal writing.
Is "are for sure" appropriate for formal writing?
While grammatically correct, "are for sure" is generally more suitable for informal or casual contexts. For formal writing, consider alternatives like "are certainly" or "are undoubtedly".
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Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
80%
Authority and reliability
4.5/5
Expert rating
Real-world application tested