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
longer that
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "longer that" is not correct in English and does not convey a clear meaning.
It may be an attempt to compare lengths or durations, but it requires additional context or correction to be usable. Example: "This rope is longer than that one."
⚠ May contain grammatical issues
News & Media
Science
Wiki
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
58 human-written examples
You dance longer that way.
News & Media
He said he wanted something longer that would offer a tad more coverage.
News & Media
Not sure how much longer that will last.
Science
The longer that situation festers, the more likely the 500 scenario becomes.
News & Media
"The longer that lead time is, the greater the initial risk for Sony".
News & Media
The longer that is, the higher the interest rate credited for the period (see table).
News & Media
It takes longer that way and is more expensive, but it is definitely doable.
Science & Research
The longer that bombs fall on Afghanistan, the stronger the sympathy for the militants.
News & Media
I wonder how much longer that will last.
News & Media
How much longer that will last, I'm not quite sure".
News & Media
She's not sure how much longer that will last.
News & Media
Expert writing Tips
Best practice
Always use "than" instead of "that" when making comparisons of length or duration. For example, use "longer than", not "longer that".
Common error
A common mistake is using "that" instead of "than" in comparative sentences. "Than" is used to compare two things, while "that" is used to introduce a clause or specify something. Always double-check your comparative sentences to ensure you're using the correct word.
Source & Trust
83%
Authority and reliability
2.8/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "longer that" is intended to function as a comparative, indicating that one thing exceeds another in length or duration. However, it fails grammatically because it uses "that" instead of the correct comparative conjunction "than". The Ludwig AI analysis confirms this grammatical error.
Frequent in
News & Media
50%
Wiki
30%
Science
20%
Less common in
Formal & Business
0%
Encyclopedias
0%
Reference
0%
Ludwig's WRAP-UP
In summary, while the phrase "longer that" aims to compare lengths or durations, it is grammatically incorrect. The correct form is ""longer than"". As noted by Ludwig AI, the error lies in using "that" instead of the comparative conjunction "than". Although its intent can often be understood from context, its use is generally discouraged, particularly in formal writing. When writing, always remember that "than" is used for comparisons.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
longer than
Corrects the grammatical error by using the standard comparative conjunction 'than'.
greater than
Offers a mathematically precise alternative emphasizing numerical or quantitative comparison.
more extended than
Provides a more formal and descriptive alternative for 'longer than'.
of greater duration than
Specifies a comparison of time, making it suitable for scenarios involving length or time spans.
lasting longer than
Emphasizes the continuous or prolonged nature of the subject in comparison.
exceeding in length
Focuses directly on physical length, suitable for contexts comparing dimensions.
more prolonged than
Highlights the extended or stretched-out quality of one thing compared to another.
a longer period than
Clarifies that the comparison involves periods or spans of time.
of superior length to
Offers a formal way to state that one object has a greater measurement than another.
more time than
Indicates a difference in the amount of time spent or required.
FAQs
What is the correct way to use "longer than" in a sentence?
Use "longer than" to compare the length, duration, or extent of two things. For example, "This movie is "longer than" I expected".
What alternatives can I use instead of "longer that"?
Since "longer that" is grammatically incorrect, use the correct form, ""longer than"". Alternatives like "greater than" or "more time than" may also fit depending on the specific context.
What's the difference between "longer than" and "longer that"?
"Longer than" is the grammatically correct form used for comparison, whereas "longer that" is incorrect. The word "than" is a conjunction used to make comparisons. The word "that" introduces a clause or refers to something previously mentioned.
Is it ever correct to use "longer that" in a sentence?
No, "longer that" is generally not considered grammatically correct in standard English. Always use ""longer than"" when making comparisons.
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
83%
Authority and reliability
2.8/5
Expert rating
Real-world application tested