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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
One week prior
Grammar usage guide and real-world examplesUSAGE SUMMARY
The expression "one week prior" is a correct and usable phrase in written English
You can use it to describe something that happened or will happen one week before a certain time. Example: The deadline for submitting the essay was one week prior to the end of the semester.
✓ Grammatically correct
Science
News & Media
Formal & Business
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
Please note: Places are limited, successful applicants will be informed at least one week prior to the event.
News & Media
One week prior, Cardinals quarterback Kurt Warner was injured trying to tackle a Saints defender after throwing an interception.
News & Media
Each glove was worn for one week prior to testing.
Science
In both studies, the period of interest was the one week prior to the self-reporting.
The patients did not use medication for a minimum of one week prior to the examination.
One week prior to surgery, all the patients got 40 mg of transeptal triamcinolone.
One week prior to surgery, gastroscopy with endoscopic ultrasound was performed.
Pre-observations were conducted for one week prior to the actual observations.
Science
One week prior, the patient had seen her primary provider after she missed her period.
Science
They were acclimatized to the new circumstances for one week prior to the start of the experiment.
Animals were acclimated to the animal facilities for a period of at least one week prior to commencement of experiments.
Science
Expert writing Tips
✓ Best practice
Maintain consistency with temporal expressions. If you've established a formal tone, stick with "one week prior" instead of switching to a more casual equivalent like "a week before."
⚠ Common error
A common mistake is to use "one week prior" without clearly defining what it is prior to. Always ensure the reader knows the event or date being referenced. Avoid ambiguity by explicitly stating the reference point to prevent misinterpretation.
Linguistic Context
The phrase "one week prior" functions as an adverbial phrase modifying a verb or clause, indicating when an event takes place in relation to another. Ludwig examples demonstrate its common use in specifying timelines and deadlines.
Expression frequency: Very common
✓ Frequent in
Science
65%
News & Media
20%
Formal & Business
15%
⚠ Less common in
Academia
0%
Encyclopedias
0%
Wiki
0%
Ludwig's WRAP-UP
In summary, the phrase "one week prior" is a grammatically correct and frequently used expression to indicate a period of seven days before a specific event or date. Ludwig AI confirms its usability across various contexts. While it can be considered slightly more formal than alternatives like "a week before", its meaning remains consistent. It appears most often in scientific and news-related content, emphasizing its utility in precise communication. Understanding its function and potential alternatives allows for clear and effective writing.
Alternative expressions
Phrases that express similar concepts, ordered by semantic similarity:
a week before
More concise and common alternative, omitting "one" and using "before" instead of "prior".
seven days earlier
Replaces "week" with a specific number of days and uses "earlier" instead of "prior".
one week preceding
Uses the more formal word "preceding" instead of "prior".
the week before
Replaces "one week" with "the week", implying a specific, previously mentioned week.
a week in advance
Focuses on the idea of preparing or acting ahead of time.
seven days ahead of
Similar to "a week in advance" but explicitly states the number of days.
More alternative expressions(6)
FAQs
How do you use "one week prior" in a sentence?
Use "one week prior" to specify an event that occurred or will occur seven days before a particular date or event. For example, "The application deadline is "one week prior" to the conference start date."
What is a more concise way to say "one week prior"?
A shorter alternative is "a week before". For example, instead of "The report was due "one week prior" to the meeting", you can say "The report was due "a week before" the meeting".
Is it more formal to say "one week prior" or "a week before"?
"One week prior" is generally considered more formal than "a week before". Use "one week prior" in academic, scientific, or professional contexts where precision and formality are important.
What is the difference between "one week prior" and "one week after"?
"One week prior" indicates a point in time seven days before a specified event, while "one week after" indicates a point in time seven days following a specified event. They are opposites in temporal direction.
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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
83%
Authority and reliability
4.5/5
Expert rating
Real-world application tested