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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
deadline by which
Grammar usage guide and real-world examplesUSAGE SUMMARY
"deadline by which" is correct and usable in written English.
You can use it when referring to a point in time by which something needs to be completed. For example: I need to finish this project by the deadline by which it has been assigned.
✓ Grammatically correct
News & Media
Academia
Science
Alternative expressions(20)
timeline by which
timeframe by which
timetable by which
the time limit by which
time limit by which
the timeline by which
delay by which
timescale by which
milestone by which
target by which
term by which
timing by which
months by which
boundaries by which
limitations by which
timelines by which
established by which
specified by which
recommended by which
defined by
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
Is there a deadline by which Iraq has to show this compliance?
News & Media
This group has no deadline by which to report on its efforts, the F.A.A. said.
News & Media
The deadline by which one may request a deferral is August 15.
Academia
You should ask for the specific deadline by which the company needs your answer.
Academia
Most states have a deadline by which the Registrar must submit this form.
They are scrambling to meet an Oct. 1 deadline by which they must scrap all local gun control laws.
News & Media
The article also misstated the deadline by which a bipartisan Congressional committee must come up with its own cuts.
News & Media
Diane Screnci, an N.R.C. spokeswoman, said there is no deadline by which the review was to be completed.
News & Media
Corporations and governments of the world are trying to work out a deadline by which CFC's can be phased out.
News & Media
Applicants receive a decision within four to six weeks after the deadline by which the complete application was received.
This week it called for a deadline by which the America-led coalition in Afghanistan should remove its airforce bases in Kirgizstan and Uzbekistan.
News & Media
Expert writing Tips
Best practice
Specify "deadline by which" early in communication. Use it to drive project planning and ensure there is understanding between all partners or stakeholders.
Common error
Avoid assuming everyone understands what is encompassed by the "deadline by which". Clearly articulate the deliverables or actions required to meet the deadline to prevent misunderstandings and ensure timely completion.
Source & Trust
87%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "deadline by which" functions as a relative clause introducing a specification of time. It indicates a specific point in time by which an action or event must be completed. As Ludwig AI points out, it is correct and usable in written English.
Frequent in
News & Media
51%
Academia
23%
Science
13%
Less common in
Wiki
7%
Formal & Business
3%
Reference
0%
Ludwig's WRAP-UP
In summary, the phrase "deadline by which" is a grammatically correct and frequently used construction in the English language. Ludwig AI confirms its usability for specifying a temporal constraint or boundary. It functions as a relative clause, defining a specific point in time by which something must be completed. While versatile, it is commonly found in news media, academia, and scientific contexts. When using "deadline by which", clarity and precision are crucial to ensure the intended meaning is accurately conveyed, avoiding misinterpretations of the scope or requirements associated with the deadline.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
timeline by which
Replaces 'deadline' with 'timeline', focusing on the sequence of events leading up to the final date.
timeframe by which
Substitutes 'deadline' with 'timeframe', emphasizing the period within which something must occur.
timetable by which
Uses 'timetable' instead of 'deadline', highlighting a schedule of activities with a concluding date.
the time limit by which
Adds 'time limit' to clarify the existence of a restriction, changing the emphasis slightly.
time frame by which
Changes compound word 'timeframe' in two separate words 'time frame'.
time limit by which
Changes word 'deadline' to 'time limit'.
the timeline by which
Adds 'the' before 'timeline' to specify and emphasizes this timeline.
the deadline until
Changes the word 'by which' to 'until'.
the time frame until
Adds 'the' before 'time frame' to specify and emphasizes this time frame and changes the word 'by which' to 'until'.
the time limit until
Adds 'the' before 'time limit' to specify and emphasizes this time limit and changes the word 'by which' to 'until'.
FAQs
How do I use "deadline by which" in a sentence?
Use "deadline by which" to specify a date or time that something must be completed. For example, "The deadline by which all applications must be submitted is July 31."
What are some alternatives to "deadline by which"?
Alternatives include "timeline by which", "timeframe by which", or "timetable by which", each slightly altering the emphasis on the nature of the time constraint.
Is "deadline by which" formal or informal?
"Deadline by which" is suitable for both formal and neutral contexts, as it clearly communicates a specific requirement. However, consider the audience and communication medium when making a final decision.
What's the difference between "deadline by which" and "deadline until"?
"Deadline by which" emphasizes the action that must be completed before or on the specified date. "Deadline until" focuses on the period during which something is permissible or valid. For example, "The deadline by which you must register is Friday" versus "You can register until the deadline".
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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
87%
Authority and reliability
4.5/5
Expert rating
Real-world application tested