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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
be damn sure
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "be damn sure" is correct and usable in written English.
It can be used to emphasize the importance of being certain or confident about something. Example: "Before you make that investment, be damn sure you understand the risks involved."
✓ Grammatically correct
News & Media
Alternative expressions(20)
be absolutely certain
make absolutely sure
ensure without a doubt
ascertain with certainty
confirm unequivocally
leave no room for doubt
be absolutely sure
make certain
be darn good
be dang sure
be completely positive
be darn tricky
be darn sure
be darn lucky
making darn sure
be darn useful
be very sure
be darn excellent
be darn cute
be beyond any doubt
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
50 human-written examples
If I'm going to make a crazy decision, then I better be damn sure.
News & Media
You can be damn sure that every guy on my team says that.
News & Media
And if you do go further, you need to be damn sure that you know how to cure yourself.
News & Media
Mothers could be damn sure they were related to their kids, but men had no "paternity certainty".
News & Media
If you have a revolution, you need to be damn sure what you're replacing the old order with.
News & Media
I can be damn sure, though, that this music has now been completely fused to this time period in my life".
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
10 human-written examples
"The fire near you may be rare, but you want to be damned sure that people come quickly.
News & Media
If you are going to take the drastic step of deforestation, you had better be damned sure that you're making the right decision.
News & Media
"To live outside the law, you must be honest," Bob Dylan sang — to raise journalism above the artless presentation of facts, you'd better be damned sure of those facts.
News & Media
If Ford is not a great one for shouting the odds, he does not appear to consider this a likelihood – and you can be damned sure that Farrell doesn't either.
News & Media
Had the Barnier-May talks been conducted not in the corridors of Brussels but in Pinkett Smith's living room, you can be damned sure we wouldn't be in the pickle we're in now.
News & Media
Expert writing Tips
Best practice
Use "be damn sure" to add emphasis when you want to strongly convey the importance of being certain or confident about something. For a more formal context, consider alternatives like "be absolutely certain".
Common error
While "be damn sure" can be effective for emphasis, avoid using it too frequently in your writing, as it can lose its impact and make your tone sound overly aggressive or repetitive. Vary your language by using alternative expressions of certainty.
Source & Trust
89%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "be damn sure" functions as an emphatic expression used to stress the importance of certainty or confidence in a particular situation. It intensifies the standard "be sure", adding a layer of urgency or strong recommendation. Ludwig AI confirms this.
Frequent in
News & Media
94%
Wiki
2%
Formal & Business
1%
Less common in
Academia
0%
Science
0%
Reference
0%
Ludwig's WRAP-UP
In summary, "be damn sure" is a grammatically correct and very common phrase used to emphatically express the importance of being certain about something. As Ludwig AI explains, it functions as an intensifier, adding a strong sense of urgency or recommendation. While predominantly found in news and media contexts, it's considered informal and should be used cautiously in formal settings. For such contexts, alternatives like "be absolutely certain" or "ensure without a doubt" are more suitable. Remember to avoid overuse to maintain its impact and prevent your writing from sounding overly aggressive.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
be absolutely certain
Emphasizes certainty using a more formal tone.
make absolutely sure
Focuses on the action of ensuring certainty.
be completely certain
Stresses the completeness of certainty.
make sure without a doubt
Highlights the absence of any doubt.
be entirely convinced
Focuses on a state of complete conviction.
ensure beyond any doubt
Stresses the action of ensuring with no uncertainty.
be positive without question
Emphasizes being positive with no room for questioning.
ascertain with certainty
Highlights the act of finding something out for sure.
confirm unequivocally
Focuses on providing undeniable confirmation.
leave no room for doubt
Indicates eliminating any possibility of uncertainty.
FAQs
How can I use "be damn sure" in a sentence?
You can use "be damn sure" to emphasize the importance of being certain about something. For example, "Before you invest your money, "be damn sure" you understand the risks involved."
What are some alternatives to "be damn sure"?
You can use alternatives like "be absolutely certain", "make absolutely sure", or "be completely certain" depending on the context.
Is "be damn sure" appropriate for formal writing?
While grammatically correct, "be damn sure" is generally considered informal. In formal writing, it's better to use more professional alternatives like "ensure without a doubt" or "ascertain with certainty".
What's the difference between "be damn sure" and "be sure"?
"Be sure" indicates a general need for certainty, while "be damn sure" adds emphasis and intensity, highlighting the critical importance of being certain. The latter is a stronger, more forceful expression.
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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
89%
Authority and reliability
4.5/5
Expert rating
Real-world application tested