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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
i underline that
Grammar usage guide and real-world examplesUSAGE SUMMARY
"I underline that" is a correct and usable phrase in written English.
It can be used to emphasize the importance of something you've previously mentioned or to draw particular attention to it. For example, "His commitment to the project has been unwavering - I underline that."
✓ Grammatically correct
News & Media
Science
Formal & Business
Alternative expressions(16)
i emphasize that
i stress that
i highlight that
i want to stress that
it is important to note that
it is worth mentioning that
i would like to point out that
let me emphasize that
it should be noted that
i underlined that
i emphasised that
i stresses that
i underscored that
i stressed that
i emphasized that
i acknowledge that
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
5 human-written examples
I underline that these computations are principally sensitive with the ZnS external growth shell thickness.
"I underline that from the Montenegrin side, there is no ambiguity when we reach out our hand to Croatia with the conviction that we have put these difficult moments behind us," he said.
News & Media
And infrastructure, I underline that word because that's really what we're building is new highways for finance.
News & Media
But I underline that this is not only something that the Americans have to do.
News & Media
I think unless it's very serious, a lot of the time women have learned or have been taught — and I underline that ― to laugh it off and to think to themselves, Well, it's not really that serious.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
55 human-written examples
"I underlined that we have no choice but to apply the rules of the treaty".
News & Media
I underlined that passage and showed it to my wife, Cree.
News & Media
She's spectacular as a woman, and I underlined that.
News & Media
I underlined that what seemed like a physical separation, like going to the movie, was more importantly an emotional separation that her daughter was experimenting with.
News & Media
I should underline that I think Evan [Davis] is a terrific broadcaster across his range of stuff".
News & Media
But I cannot underline that often enough.
News & Media
Expert writing Tips
Best practice
Use "i underline that" to reinforce a key point you've already introduced, ensuring it receives the attention it deserves. It's especially effective in formal writing or presentations where clarity and emphasis are paramount.
Common error
Avoid using "i underline that" too frequently in casual conversation or informal writing. Its formal tone can sound stilted or overly assertive in relaxed settings. Opt for simpler phrases like "importantly" or "remember that" to maintain a natural flow.
Source & Trust
82%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The primary grammatical function of "i underline that" is as a declarative phrase used to introduce and emphasize a subsequent statement. It serves to draw the audience's attention to the importance of what will follow. According to Ludwig, this phrase is correct and usable in written English.
Frequent in
News & Media
60%
Science
20%
Formal & Business
20%
Less common in
Academia
0%
Encyclopedias
0%
Wiki
0%
Ludwig's WRAP-UP
In summary, the phrase "i underline that" is a grammatically sound and usable construction intended to emphasize a point. As Ludwig AI confirms, it's suitable for drawing attention to a particular statement in writing. While its frequency is uncommon, it finds its place in formal contexts such as news reporting, business communications, and scientific publications. While perfectly valid, consider that overuse in informal setting may lead to sounding stilted.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
i emphasize that
Replaces 'underline' with 'emphasize', conveying a similar meaning of highlighting importance.
i stress that
Uses 'stress' instead of 'underline', suggesting a strong emphasis on the statement.
i highlight that
Substitutes 'underline' with 'highlight', indicating a way to make the point stand out.
i want to emphasize that
Adds 'want to' for a slightly more deliberate tone in stressing the importance.
i want to stress that
Similar to the previous, but uses 'stress' to show insistence on the importance.
it is important to note that
Shifts the focus to the importance of noting something, rather than a personal underlining.
it is worth mentioning that
Highlights the value of mentioning something specific.
i would like to point out that
Uses 'point out' to draw attention to a particular detail.
let me emphasize that
Uses 'let me' to add a more direct and assertive tone.
it should be noted that
Highlights the necessity of taking note of a particular fact.
FAQs
What does "i underline that" mean?
The phrase "i underline that" is used to emphasize a particular point or statement, indicating its importance. It's similar to highlighting or stressing something to ensure it's noticed and remembered.
When is it appropriate to use "i underline that"?
It's appropriate in formal writing, presentations, or situations where you want to ensure a specific point is clearly understood and emphasized. However, it may sound overly formal in casual conversation.
What can I say instead of "i underline that"?
You can use alternatives like "i emphasize that", "i stress that", or "i highlight that" depending on the context. These phrases all serve to draw attention to a specific point.
Is "i underline that" grammatically correct?
Yes, "i underline that" is grammatically correct. It functions as a way to introduce and emphasize a statement, much like saying "i want to stress that" or "it's important to note that".
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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
82%
Authority and reliability
4.1/5
Expert rating
Real-world application tested