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
reply that
Grammar usage guide and real-world examplesUSAGE SUMMARY
"Reply that" is correct and usable in written English.
The phrase is used to indicate that someone should answer an earlier question or statement. For example, "Did you get my message?" "Reply that."
✓ Grammatically correct
News & Media
Science
Encyclopedias
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
60 human-written examples
He waited for a reply that did not come.
News & Media
Mr. Mahaney sent a terse e-mail reply that answered the essence of the reporter's questions.
News & Media
"Oh, around the Queen's arse," he was told – a sardonic reply that delighted him.
News & Media
The scientists reply that, without ranching, the disease would not have spread so far.
News & Media
"It's just not my thing" — a reply that didn't surprise me a bit.
News & Media
Instead they get a very long reply that does not answer their initial question.
News & Media
(Skeptical critics reply that Kuhn invented the problem for which he had a solution).
Science
The main reply that is made to disconnections is to deny that they are genuinely causal.
Science
"We had hoped for a reply that said, 'Here are our policies,' " Klimchuk explained.
Science & Research
She mulled over the matter and gave me a reply that seems plausible.
News & Media
"All we get is an automatic reply that Google reserves the right to suspend accounts.
News & Media
Expert writing Tips
Best practice
When using "reply that", ensure the context clearly establishes who is replying and to what.
Common error
Avoid using "reply that" when a more specific verb like "explain", "argue", or "state" would better capture the nature of the response.
Source & Trust
84%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "reply that" functions as a reporting verb phrase, used to introduce the content of a response or answer. As confirmed by Ludwig AI, it's a correct and usable expression in written English. The examples show it connecting a question or statement to the answer.
Frequent in
News & Media
40%
Science
30%
Encyclopedias
10%
Less common in
Formal & Business
10%
Wiki
5%
Reference
5%
Ludwig's WRAP-UP
In summary, the phrase "reply that" functions as a reporting verb phrase to introduce the content of a response, confirmed by Ludwig AI as grammatically correct. It is most commonly found in news and media, science, and encyclopedia sources, suggesting a neutral register. While it is a correct and usable expression, it's important to consider whether a more specific verb would better capture the nuance of the response. Alternatives include "respond that", "answer that", and "state that". Ensure that the context is clear, and avoid the redundant "replied back that".
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
respond that
Similar in meaning, but slightly more formal and emphasizes the act of responding.
answer that
Focuses on providing a solution or information, whereas "reply that" is a simple response.
state that
More formal and implies a deliberate and official declaration.
claim that
Implies the response is an assertion, possibly debatable.
argue that
Suggests the response is part of a debate or reasoned explanation.
assert that
Emphasizes the confident and forceful nature of the reply.
mention that
Indicates the response was made in passing or as a side note.
explain that
Suggests a detailed response providing clarification or reasoning.
indicate that
Implies the response is a sign or signal rather than a direct answer.
remark that
Suggests the response is a casual observation or comment.
FAQs
How can I use "reply that" in a sentence?
The phrase "reply that" is used to introduce a direct response or answer given by someone. For example: "When asked about the incident, she "replied that" she was not present."
What are some alternatives to "reply that"?
Alternatives to "reply that" include "respond that", "answer that", or "state that". The best choice depends on the specific context and the nuance you want to convey.
Is it correct to say "replied back that" instead of "reply that"?
Saying "replied back that" is redundant because "replied" already implies a response. It's better to simply use "reply that".
What is the difference between "reply that" and "respond that"?
While similar, "reply that" is a more general term for answering. "Respond that" can imply a more considered or formal answer. Choose the word that best fits the tone and context.
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
84%
Authority and reliability
4.1/5
Expert rating
Real-world application tested