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
is checked against
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "is checked against" is correct and usable in written English.
It can be used when describing a process where something is verified or compared to a standard, reference, or set of criteria. Example: "The data entered by the user is checked against the existing database to ensure accuracy."
✓ Grammatically correct
Science
News & Media
Formal & Business
Alternative expressions(20)
is compared with
is verified against
is benchmarked against
is measured against
is tested against
is contrasted with
is aligned with
is juxtaposed with
is compared to
get his confirmation
be checked against
verify against
verification against
is validated with
check against
compare against
validate against
checked against
compare with
is confirmed 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
Each is checked against watchlists of suspects.
News & Media
This one, however, is checked against systems.
News & Media
Not to mention whose name is checked against those terrorist watch lists.
News & Media
"Every passenger arriving in the UK is checked against a range of watchlists.
News & Media
Input from a user is checked against these patterns to decide which answer is most appropriate in each case.
News & Media
Voters, for instance, must show a photo-identity card, which is checked against a copy in the electoral register.
News & Media
Specifically, it's continually verifying that when the medication is drawn at the nursing station on the patient's floor that it is checked against the patient record.
News & Media
Anyone listing something for rent must confirm official details of the property, which is checked against the Land Registry database to confirm ownership.
News & Media
If several people flag the same star, the result is checked against the computer-derived results produced by the main Kepler team.
News & Media
data is checked against an unspecified alternative.
The model performance is checked against industrial steam reformers.
Science
Expert writing Tips
Best practice
When using "is checked against", ensure that the standard or reference being used for comparison is clearly defined to avoid ambiguity.
Common error
Avoid using "is checked against" without specifying what it is being checked against, such as "the data is checked against regulations" rather than "the data is checked".
Source & Trust
83%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "is checked against" functions as part of a passive verb construction. According to Ludwig AI, this phrase signifies a process of verification or comparison. It's used to describe the action of assessing something against a known standard, list, or set of criteria to confirm its accuracy or compliance.
Frequent in
Science
58%
News & Media
30%
Wiki
2%
Less common in
Formal & Business
7%
Reference
0%
Social Media
0%
Ludwig's WRAP-UP
In summary, the phrase "is checked against" is a grammatically correct and commonly used construction. It signifies a process of verification or comparison against a predefined standard. According to Ludwig AI, it appears across a variety of contexts, from scientific research to news reporting, with the highest frequency in scientific and technical domains. While generally neutral in tone, it's important to specify the standard or reference being used to ensure clarity. Alternatives such as "is verified against" or "is compared with" can be used depending on the specific nuance you want to convey.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
is compared with
Replaces 'checked' with 'compared', focusing on the act of comparison rather than verification.
is verified against
Substitutes 'checked' with 'verified', emphasizing the validation aspect.
is validated against
Uses 'validated' instead of 'checked', stressing the confirmation of accuracy.
is benchmarked against
Employs 'benchmarked' to highlight comparison against a standard.
is measured against
Replaces 'checked' with 'measured', focusing on quantifiable comparison.
is tested against
Substitutes 'checked' with 'tested', emphasizing the process of assessment.
is contrasted with
Uses 'contrasted' to emphasize the differences when comparing.
is referenced against
Highlights the use of a reference point for comparison.
is aligned with
Focuses on determining the level of agreement or conformity.
is juxtaposed with
Emphasizes placing two items side by side for a clear comparison.
FAQs
How can I use "is checked against" in a sentence?
Use "is checked against" when you want to indicate that something is being compared or verified against a particular standard, list, or set of criteria. For example, "Each passenger's name "is checked against" a terrorist watch list".
What are some alternatives to "is checked against"?
Some alternatives to "is checked against" include "is compared with", "is verified against", or "is validated against". The best choice depends on the specific context and the nuance you want to convey.
Is it better to use "is checked against" or "is compared to"?
Both "is checked against" and "is compared to" are grammatically correct. "Is checked against" implies a more formal process of verification, while "is compared to" suggests a broader comparison for similarities and differences.
What's the difference between "is verified against" and "is checked against"?
"Is verified against" emphasizes confirming the truth or accuracy of something, while "is checked against" implies a process of examination to ensure compliance or match a standard. The first focuses on confirming validity, the latter focuses on ensuring accuracy to fit some requirements.
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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