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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
run of the mill
Grammar usage guide and real-world examplesUSAGE SUMMARY
"run of the mill" is correct and usable in written English.
It is an expression used to describe something that is ordinary, average, or regular, often in a negative way. For example: "The movie was just your run of the mill rom-com, with nothing particularly special about it."
✓ Grammatically correct
News & Media
Reference
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified similar examples from authoritative sources
Similar Expressions
59 human-written examples
They weren't your run-of-the mill flags, either.
News & Media
Just your run-of-the mill Moravian village, then – but Kvitova is no run-of-the-mill tennis player.
News & Media
"Not the run-of-the mill left and right stuff that we're all accustomed to.
News & Media
Others were run-of-the-mill.
News & Media
"My dreams are run-of-the-mill".
News & Media
The morning seemed like a run-of-the-mill weekday.
News & Media
But that was run-of-the-mill, childhood hero worship.
News & Media
This is not run-of-the-mill fare.
News & Media
"Nobody has reported run-of-the-mill sales".
News & Media
And not just run-of-the-mill actors.
News & Media
That's just normal, run-of-the-mill partisan antipathy.
News & Media
Expert writing Tips
Best practice
Omit the hyphens when the phrase follows a linking verb, though many modern style guides allow keeping them for consistency.
Common error
Do not pair this phrase with other adjectives that mean the same thing, such as "an ordinary run-of-the-mill day". This creates a tautology that weakens your prose. Choose one or the other for maximum impact.
Source & Trust
93%
Authority and reliability
4.8/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "run of the mill" functions as a compound adjective or an idiomatic predicative expression. According to Ludwig, it is used to characterize something as ordinary or lacking special features. Structurally, it is often hyphenated when appearing before the noun it modifies, which is a standard rule for compound modifiers in English.
Frequent in
News & Media
75%
Arts & Entertainment
15%
Business
10%
Less common in
Science
3%
Academia
2%
Legal
1%
Ludwig's WRAP-UP
The phrase "run of the mill" is a quintessential English idiom that has stood the test of time, moving from industrial origins to become a staple of modern journalism. Ludwig AI indicates that it is most effective when used to describe things that are average, standard or predictably unexciting. While it is widely accepted as correct in both British and American English, writers should be mindful of the hyphenation rules—using "run-of-the-mill" when it precedes a noun—to maintain grammatical precision. It remains a powerful tool for contrast, allowing authors to establish a sense of normalcy before introducing something truly extraordinary.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
garden-variety
Another idiomatic expression that emphasizes something is very common or ordinary
commonplace
Focuses on the fact that something happens or is found everywhere
unremarkable
Specifically denotes a lack of features that deserve notice
bog-standard
A more informal, predominantly British term for something basic
mediocre
Carries a stronger negative connotation of being only of moderate quality
humdrum
Suggests a lack of excitement or variety, often implying boredom
standard
A more neutral term for something that meets a basic level without exceeding it
prosaic
A more literary term for something lacking poetic beauty or being dull
vanilla
Slang used to describe something that is plain or lacks extra features
boilerplate
Used specifically for standard text or designs that are reused without change
FAQs
How do I use "run of the mill" in a sentence?
You can use it to describe anything that is average, such as "It was just a "run-of-the-mill" Tuesday until the news broke."
What is a more formal synonym for "run of the mill"?
In formal or academic writing, you might prefer terms like "unremarkable", "commonplace" or "pedestrian".
Is "run of the mill" insulting?
It is generally neutral but often carries a slight negative undertone, implying that something is boring or lacks quality compared to being "exceptional".
Should I hyphenate "run of the mill"?
Yes, when it is used as an adjective before a noun (e.g., "a "run-of-the-mill performance""), hyphens are standard.
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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
93%
Authority and reliability
4.8/5
Expert rating
Real-world application tested