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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 darn certain
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "be darn certain" is correct and usable in written English.
It can be used to emphasize the importance of being sure or confident about something, often in a casual or informal context. Example: "Before you make that investment, you need to be darn certain that you've done your research."
✓ Grammatically correct
News & Media
Alternative expressions(20)
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
1 human-written examples
When you're told the heroine has a weak heart in the first act, you can be darn certain she's at least going to have a medical scare before the show is over.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
59 human-written examples
"I have to be pretty darn certain a U.S. patent is invalid".
News & Media
That means we're pretty darn certain that ― barring some major catastrophe, scandal or nearly every single poll being wrong ― Clinton will be elected.
News & Media
'I'll be darned.
News & Media
"I'll be darned, Luther, you can read!
News & Media
She said, "I'll be darned...
News & Media
You're darn tootin'.
News & Media
You're darn right".
News & Media
It's darn cute.
News & Media
"Now there are darn few".
News & Media
I'd say that's darn good".
News & Media
Expert writing Tips
Best practice
Use "be darn certain" to add a touch of informal emphasis when you want to express strong confidence or assurance, but avoid overly formal language.
Common error
While "be darn certain" can add color, avoid using it in highly formal or professional writing where a more neutral phrase like "be absolutely certain" would be more appropriate.
Source & Trust
88%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "be darn certain" functions as a directive expression, urging someone to ensure they possess a high degree of confidence or surety. Ludwig AI confirms its usage in similar contexts, emphasizing its role in conveying conviction.
Frequent in
News & Media
100%
Science
0%
Formal & Business
0%
Less common in
Science
0%
News & Media
0%
Formal & Business
0%
Ludwig's WRAP-UP
In summary, the phrase "be darn certain" is a grammatically correct way to express a strong sense of assurance or confidence. Ludwig AI classifies the phrase as correct and usable in written English. While generally acceptable in neutral contexts like News & Media, it may not be ideal for highly formal or scientific writing. When aiming for formality, consider using alternatives like "be absolutely certain". The phrase serves to emphasize the importance of being sure, often in a casual or informal manner. Overall, it's a versatile phrase that adds emphasis to expressions of certainty in various contexts.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
be absolutely certain
Emphasizes certainty more strongly and formally.
be convinced beyond doubt
Highlights the absence of uncertainty.
be completely sure
Highlights the thoroughness of one's certainty.
be without a doubt
Emphasizes the lack of any uncertainty.
be entirely convinced
Focuses on the state of being persuaded or assured.
be fully confident
Stresses the confidence level regarding something.
be dead certain
Adds a more forceful and emphatic tone to the certainty.
be positive
Offers a more casual way to express certainty.
rest assured
Offers reassurance, implying certainty.
be sure
The simplest and most direct way to express certainty.
FAQs
How can I use "be darn certain" in a sentence?
You can use "be darn certain" to emphasize a point, such as, "Before you invest, you need to "be darn certain" you've done your research."
What are some alternatives to "be darn certain"?
Alternatives include "be absolutely certain", "be completely sure", or "be entirely convinced". The best choice depends on the desired level of formality and emphasis.
Is "be darn certain" appropriate for formal writing?
No, "be darn certain" is generally considered informal. In formal writing, it's better to use phrases like "be absolutely certain" or "be completely sure".
What does "be darn certain" imply?
It implies a strong degree of confidence or assurance about something. It suggests that one has taken the necessary steps to eliminate doubt.
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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
88%
Authority and reliability
4.5/5
Expert rating
Real-world application tested