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
Prior week
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "Prior week" is correct and usable in written English. You can use it when referring to the week immediately before the current week. For example, "Sales increased compared to the prior week." Alternative expressions include "previous week" and "last week."
✓ Grammatically correct
Academia
News & Media
Science
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
Weekly employees are paid on Friday's for the prior week.
Academia
In the prior week, the index rose to a record 1,317.
News & Media
Time approvers need not wait until the following Tuesday to approve hours for the prior week.
Academia
Approvals should be done by Tuesday at noon EST, for hours reported in the prior week.
Academia
Prices are listed by feed variety and included price changes from the prior week.
Academia
Also included are the prices from the prior week and year.
Academia
It wasn't "chateau" anything, and it was probably made the prior week.
News & Media
About 733,000 total viewers for its first showing, up 24 percent from the prior week.
News & Media
The Mortgage Bankers Association of America's mortgage applications index fell 8.1percentto to 862.7 from 939 in the prior week.
News & Media
The prior week saw the Dow plunge 9.5percentt, capped by the first-ever 100-point daily decline on Friday.
News & Media
During any given week, the test each student took depended on the student's performance the prior week.
News & Media
Expert writing Tips
Best practice
Always ensure the context clearly establishes the timeframe being referenced to avoid ambiguity. For instance, when comparing data sets across time, be explicit about which "Prior week" you are referencing.
Common error
Avoid using "Prior week" interchangeably with terms like "Previous weeks" or "Weeks before" without adjusting your verb tenses and context accordingly. "Prior week" refers specifically to the single week immediately preceding the current one.
Source & Trust
85%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "Prior week" functions as an adjectival phrase modifying a noun, typically to specify a time period. As Ludwig AI confirms, it's used to refer to the week immediately preceding the current one. For example, "the approval should be done by Tuesday at noon EST, for hours reported in the prior week".
Frequent in
News & Media
40%
Academia
35%
Science
25%
Less common in
Formal & Business
10%
Wiki
5%
Reference
0%
Ludwig's WRAP-UP
In summary, the phrase "Prior week" is a grammatically sound and frequently used expression for referencing the week immediately preceding the current one. Ludwig AI confirms its versatility across diverse contexts, including news, academia, and business. While alternatives like "last week" exist, "Prior week" offers a slightly more formal tone suitable for professional and academic writing. It's important to ensure clarity in your writing by explicitly defining the timeframe when comparing data across different weeks, preventing potential ambiguity.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
Previous week
Replaces "prior" with "previous", maintaining the same meaning.
Last week
A more common and informal synonym for "prior week".
The week before
Expresses the temporal relationship in a slightly different word order.
Preceding week
A more formal alternative, using "preceding" instead of "prior".
Week ago
A shortened, less formal version.
A week prior
Reverses the order and uses 'a' instead of 'the'.
Week immediately before
More explicit and less concise phrasing.
The week that just passed
An informal, conversational alternative.
In the week before this one
A verbose and descriptive variation.
The week gone by
A slightly poetic and less common alternative.
FAQs
How can I use "Prior week" in a sentence?
You can use "Prior week" to refer to the week immediately before the current one, for example: "Sales increased compared to the "prior week"".
What's the difference between "Prior week" and "Last week"?
"Last week" is a more common and informal way to say "prior week". Both refer to the week immediately before the current one, but "Prior week" has a slightly more formal tone.
Is it ever incorrect to use "Prior week"?
No, it's generally grammatically correct and acceptable to use "Prior week", but it might sound overly formal in casual conversation. Choose "last week" instead for a more informal setting.
What phrases are similar to "Prior week"?
Similar phrases include "previous week", "the week before", or "week ago". The best choice depends on the specific context and desired level of formality.
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
85%
Authority and reliability
4.6/5
Expert rating
Real-world application tested