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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
that are customarily
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "that are customarily" is correct and usable in written English.
It can be used to describe actions, practices, or items that are typically or usually done in a particular context or situation. Example: "The guidelines include several practices that are customarily followed in the industry to ensure safety and compliance."
✓ Grammatically correct
News & Media
Science
Encyclopedias
Wiki
Alternative expressions(5)
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
5 human-written examples
Journalists peeked out the shades and saw that the plane had on none of the running lights that are customarily visible, including the red or green ones on the wings.
News & Media
One of the big effects of the new legislation will be to raise the price of insurance covering to protect companies and investors against misdeeds by directors and officers, policies that are customarily purchased by the companies themselves, said John H. Treiber, the president of the commercial lines division of the Treiber Group, an insurance company in Garden City.
News & Media
Results are presented for a number of laminates and materials systems that are customarily used in the literature for experimentation.
Science
The theoretical reasons for new axioms that the non-pluralist gives are quite different that the theoretical reasons that are customarily at play in mathematics, in part because, having stepped into the realm of independence, a more subtle form of justification is required, one that relies more heavily on sophisticated mathematical machinery.
Science
This network refers to a group of brain regions that are customarily more engaged during passive periods within experiments, such as at rest or when performing cognitively undemanding tasks compared to highly demanding tasks [17], [18].
Science
Human-verified similar examples from authoritative sources
Similar Expressions
54 human-written examples
The fruit, usually about the size of a grapefruit and seedless, consists of a starchy, pulpy white mass that is customarily cooked before eating.
Encyclopedias
As early as 200 bc, envoys from Java to the Han-dynasty court of China brought cloves that were customarily held in the mouth to perfume the breath during audiences with the emperor.
Encyclopedias
The protests would coincide with the holiday celebrating the 40th anniversary of Egypt's 1973 war on Israel, an occasion that is customarily a day of tributes to the military.
News & Media
Still, the seniors have been seething for months, since a letter went home in February from the principal, Mr. Klemme, and the PTA president, Michelle Lichtenberg, upending their prom plans without any of the student feedback that is customarily a part of decision-making here.
News & Media
Approximately 71% of the Earth's surface is covered by ocean, a continuous body of water that is customarily divided into several principal oceans and smaller seas.
The Greek historian, Theophrastus, states that much of Bahrain were covered in these cotton trees and that Bahrain was famous for exporting walking canes engraved with emblems that were customarily carried in Babylon.
Wiki
Expert writing Tips
Best practice
Use "that are customarily" to describe actions, practices, or items that are typically or usually done in a particular context or situation, adding a tone of established practice or convention.
Common error
Avoid using "that are customarily" in very informal or casual writing. It can sound overly formal or stilted in contexts where simpler language would be more appropriate. Instead, opt for alternatives like "usually" or "typically".
Source & Trust
84%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "that are customarily" functions as a relative clause modifier, adding descriptive information about a noun or noun phrase. It describes attributes or actions generally accepted or followed as a norm, as confirmed by Ludwig.
Frequent in
News & Media
30%
Science
30%
Encyclopedias
20%
Less common in
Wiki
15%
Formal & Business
5%
Reference
0%
Ludwig's WRAP-UP
In summary, the phrase "that are customarily" is a useful way to describe actions, practices, or items that are typically or usually done in a particular context. As Ludwig AI confirms, it functions as a relative clause modifier, adding descriptive information about norms or conventions. While grammatically correct, the phrase is best suited for neutral to somewhat formal contexts, such as news articles, encyclopedias, and scientific publications. When writing informally, consider using alternatives like "usually" or "typically" to avoid sounding stilted. Analysis of the provided examples reveals that the phrase is commonly encountered, indicating its continued relevance in contemporary writing.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
which are usually
Replaces "customarily" with "usually", focusing on frequency but being slightly more general.
which are typically
Substitutes "customarily" with "typically", emphasizing common occurrence or behavior.
that are traditionally
Replaces "customarily" with "traditionally", highlighting practices rooted in custom or heritage.
that are commonly
Uses "commonly" instead of "customarily", stressing widespread acceptance or practice.
that are generally
Employs "generally" to suggest broad but not necessarily universal practice.
that are habitually
Replaces "customarily" with "habitually", focusing on routine or ingrained behavior.
which are conventionally
Substitutes "customarily" with "conventionally", emphasizing adherence to established norms.
that are ordinarily
Uses "ordinarily" instead of "customarily", highlighting common or expected actions.
that are routinely
Replaces "customarily" with "routinely", suggesting a standard procedure or practice.
that are wont to
Employs the more archaic phrase "wont to", indicating a habitual tendency.
FAQs
How can I use "that are customarily" in a sentence?
The phrase "that are customarily" is used to describe things that are usually or traditionally done. For example: "These are the procedures "that are customarily" followed in this department."
What can I say instead of "that are customarily"?
You can use alternatives like "which are usually", "which are typically", or "that are traditionally" depending on the specific nuance you want to convey.
Is it more formal to say "that are customarily" or "that are usually"?
"That are customarily" is generally more formal than "that are usually". "Customarily" suggests a practice that is established by custom or tradition, while "usually" simply indicates common occurrence.
Which is correct, "that are customarily" or "that is customarily"?
The choice between "that are customarily" and "that is customarily" depends on whether you're referring to a plural or singular subject. Use "that are customarily" for plural subjects and "that is customarily" for singular subjects. For example: "These rules are customarily followed" versus "This rule is customarily followed."
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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
84%
Authority and reliability
4.1/5
Expert rating
Real-world application tested