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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
case by case
Grammar usage guide and real-world examplesUSAGE SUMMARY
"case by case" is a correct and usable phrase in written English.
It is used to refer to something that is dealt with or looked at individually, one at a time. For example: "The lawyers argued the cases one by one, on a case by case basis."
✓ Grammatically correct
Academia
News & Media
Science
Alternative expressions(20)
on an individual basis
individually assessed
separately considered
one at a time
tailored approach
depending on the circumstances
argument by argument
instance by instance
individual
trial by trial
as required
project by project
case by case basis
example by example
on a per-need basis
case per case
individualized
as needed
casework
need by need basis
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
27 human-written examples
"Case by case.
News & Media
So take it case by case.
News & Media
Everything is case by case.
News & Media
It's just case by case".
News & Media
One approach is case by case.
News & Media
I do this case by case.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
33 human-written examples
That would need case-by-case negotiation.
News & Media
It was a case-by-case basis.
News & Media
Yes, on a case-by-case basis.
It's all case-by-case," Kalifowitz explains.
News & Media
"That's a case-by-case thing.
News & Media
Expert writing Tips
Best practice
When using "case by case", clearly define the criteria or factors that will be considered in each individual assessment to maintain transparency and consistency.
Common error
Avoid using "case by case" as a blanket statement to evade establishing clear policies or guidelines. Ensure that there is a genuine intention to evaluate each situation individually, rather than creating ambiguity or inconsistency.
Source & Trust
86%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "case by case" primarily functions as an adverbial modifier. It describes how something is being done, indicating that each instance is assessed or handled individually rather than according to a general rule. Ludwig provides numerous examples of this usage, confirming its role in specifying the method of evaluation or action.
Frequent in
Academia
30%
News & Media
40%
Science
10%
Less common in
Formal & Business
10%
Reference
5%
Wiki
5%
Ludwig's WRAP-UP
The phrase "case by case" is a versatile adverbial modifier used to emphasize individual assessment and flexibility. As confirmed by Ludwig, it is grammatically correct and very common across various contexts, including academia, news media, and science. While suitable for neutral communication, it's also frequently used in more formal settings. When using "case by case", ensure you clearly define the criteria for individual assessment to maintain transparency. While commonly used, avoid redundancy by using "case by case" instead of "case by case basis" where appropriate.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
on an individual basis
Highlights the focus on each person or situation distinctly.
each case distinctly
Highlights the unique treatment of every situation.
individually assessed
Emphasizes the evaluation of each case separately.
separately considered
Underscores the independent evaluation of each instance.
one at a time
Focuses on the sequential handling of each case.
tailored approach
Suggests a customized method for each specific case.
personalized review
Emphasizes the bespoke examination of each case.
specific to the situation
Highlights relevance to particular circumstances.
subject to individual review
Highlights the need for individual scrutiny.
depending on the circumstances
Focuses on different outcomes based on conditions.
FAQs
How can I use "case by case" in a sentence?
You can use "case by case" to indicate that decisions or actions are determined individually based on specific circumstances. For example, "The applications will be reviewed "on an individual basis", case by case."
What's a similar expression to "case by case"?
Similar expressions include "on an individual basis", "individually", or "separately". The best choice depends on the specific context.
Is it redundant to say "case by case basis"?
While "case by case basis" is commonly used, some consider it redundant because "case by case" already implies that each case is considered individually. Using just "case by case" can be more concise.
What is the difference between "case by case" and "in general"?
"Case by case" signifies individual consideration, while "in general" refers to a broad, overarching rule or trend. For example, "In general, the policy applies to all employees, but exceptions may be made "on an individual basis", case by case."
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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
86%
Authority and reliability
4.6/5
Expert rating
Real-world application tested