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-by date
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "reply-by date" is correct and usable in written English.
It is typically used to specify a deadline by which a response is expected. Example: "Please ensure that you submit your feedback by the reply-by date of March 15th."
✓ Grammatically correct
Wiki
News & Media
Academia
Alternative expressions(20)
response deadline
deadline for response
submission deadline
submission due date
cut-off date for response
final date for response
deadline for responding
due date for response
final submission date
deadline for entry
deadline for completion
deadline for filing
deadline for installation
deadline for voting
deadline for withdrawal
deadline for employee
deadline for compliance
deadline for submission
deadline for comments
time limit for responses
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
Do not include a final reply-by date.
Wiki
Human-verified similar examples from authoritative sources
Similar Expressions
59 human-written examples
Having met the national "reply by" date of May 1, students and their families have made deposits for housing, students have decided their degree paths, and incoming college freshmen throughout the U.S. have already begun summer campus orientation.
News & Media
You could divide your mail by "reply by" date (today, this week, or this month), by project, or by type (announcements, reference documents, and personal).
Wiki
He then sent early mixes of many of the songs to his co-producer, who was convalescing in Los Angeles, and Spector replied by letter dated 19 August with suggestions for further overdubs and final mixing.
Wiki
"Yes, but it was only after he'd passed his sell-by date," replies Haye.
News & Media
This reasonable stance began to crumble when someone pointed out that Murdoch was a pretty tough customer and might not like getting a letter of protest — especially one that demanded a reply by a certain date.
News & Media
Alternatively, just select a range to be deleted, such as by date, keyword, replies, retweets or images.
Wiki
With a sinking feeling, you ask "Are you throwing all of that out?" "Yes," he replies, "It's past its sell-by date".
News & Media
Filter by date.
Wiki
Check the sell-by date.
Wiki
Failure to reply to your offers by the reply date will result in all of your offers being declined.
Wiki
Expert writing Tips
Best practice
When specifying a "reply-by date", ensure it is clearly visible and prominently displayed to avoid any confusion regarding the deadline for response.
Common error
Avoid ambiguity by always including the year when specifying a "reply-by date". For example, instead of just saying 'reply by June 10', write 'reply by June 10, 2026'.
Source & Trust
82%
Authority and reliability
3.8/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "reply-by date" primarily functions as a modifier specifying a deadline. As shown in Ludwig AI, it's typically used to indicate the latest acceptable date for a response or action.
Frequent in
Wiki
33%
News & Media
33%
Academia
33%
Less common in
Science
0%
Formal & Business
0%
Encyclopedias
0%
Ludwig's WRAP-UP
In summary, the phrase "reply-by date" is a grammatically sound, though infrequent, way to specify a deadline for responses. As Ludwig AI confirms, it's used across various contexts, including Wiki, News & Media and Academia, to ensure timely communication. While alternatives like "response deadline" or "response due date" exist, clarity in specifying the date, including the year, is crucial to avoid ambiguity.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
response deadline
Focuses on the 'deadline' aspect, omitting the action of replying.
response due date
Similar to 'response deadline', but uses 'due date' instead of 'deadline'.
deadline for response
Rephrases to emphasize the deadline applicable to a response.
latest reply date
Highlights that it's the latest acceptable date for a reply.
last date to reply
Emphasizes the finality of the date for replying.
date to respond by
Reorders the words slightly to focus on the action of responding.
response target date
Uses 'target date', implying a desired date rather than a hard deadline.
cut-off date for replies
Highlights that it's the cut-off date for sending replies.
date of required response
More formal way of saying the date a response is needed.
date for return correspondence
A more formal and somewhat indirect way to refer to a reply date.
FAQs
What does "reply-by date" mean?
The "reply-by date" refers to the deadline by which a response or reply is expected. It's the latest date by which you should provide your answer or feedback.
What are some alternatives to "reply-by date"?
You can use alternatives like "response deadline", "response due date", or "deadline for response" to convey a similar meaning.
Is it necessary to include a "reply-by date" in invitations?
While not always mandatory, including a "reply-by date" on invitations helps with planning and logistics. It allows the host to get an accurate headcount for the event.
How should I handle requests that don't include a "reply-by date"?
If a request lacks a "reply-by date", it's reasonable to ask the sender for clarification on when they need a response. This ensures you meet their expectations and manage your time effectively.
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
82%
Authority and reliability
3.8/5
Expert rating
Real-world application tested