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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
cardinal rule
Grammar usage guide and real-world examplesUSAGE SUMMARY
"cardinal rule" is a correct and usable phrase in written English.
It is often used to describe a fundamental or essential rule or principle that should never be broken. Example: "Punctuality is a cardinal rule in our company. Employees who consistently arrive late may face disciplinary action."
✓ Grammatically correct
News & Media
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
58 human-written examples
That's the cardinal rule.
News & Media
It's the cardinal rule.
News & Media
The cardinal rule here: If you're famous, you're fair game.
News & Media
But he breached his trade's cardinal rule: discretion.
News & Media
"Police on my side broke a cardinal rule.
News & Media
It has violated a cardinal rule of bookmaking, however.
News & Media
There's a cardinal rule: If it's not broken, don't try to fix it.
News & Media
From a sabermetric perspective, the cardinal rule of leadoff hitting is to avoid making an out.
News & Media
First, he has broken the cardinal rule of superpower deterrence: you must keep your word.
News & Media
The cardinal rule of safe surfing is that one should never surf alone.
News & Media
"That's when I came up with a cardinal rule," he said.
News & Media
Expert writing Tips
Best practice
Use "cardinal rule" to emphasize the importance of a specific guideline or principle. It suggests that violating this rule could have serious consequences.
Common error
Avoid using "cardinal rule" for minor or trivial guidelines. Reserve it for truly fundamental principles that are crucial to success or ethical behavior.
Source & Trust
88%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "cardinal rule" functions as a noun phrase that identifies a fundamental principle or guideline. According to Ludwig, it is used to emphasize the importance of a specific rule that should not be broken. Examples found in Ludwig show usage across various contexts.
Frequent in
News & Media
98%
Science
1%
Formal & Business
1%
Less common in
Wiki
0%
Social Media
0%
Reference
0%
Ludwig's WRAP-UP
In summary, "cardinal rule" is a frequently used noun phrase that signifies a fundamental and essential principle. As Ludwig AI confirms, this phrase carries a strong emphasis on the importance of the rule and the potential repercussions of disregarding it. Predominantly found in news and media contexts, its neutral register makes it suitable for various situations requiring a clear articulation of non-negotiable guidelines. Alternatives such as "fundamental principle" and "essential guideline" can be used to express similar meanings with slight variations in emphasis.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
fundamental principle
Replaces 'rule' with 'principle', emphasizing the foundational aspect.
essential guideline
Substitutes 'rule' with 'guideline', softening the sense of strict enforcement.
basic tenet
Uses 'tenet' instead of 'rule', suggesting a core belief or doctrine.
key requirement
Replaces 'rule' with 'requirement', focusing on necessity.
primary mandate
Uses 'mandate' instead of 'rule', implying an authoritative command.
overriding principle
Emphasizes the supremacy of the principle.
golden rule
Uses the familiar "golden rule" idiom, implying a universally accepted principle.
core principle
Highlights the central importance of the principle.
chief dictum
Replaces "rule" with "dictum", implying a formal pronouncement or authoritative statement
first commandment
Evokes a sense of religious or moral law.
FAQs
How can I use "cardinal rule" in a sentence?
You can use "cardinal rule" to emphasize the importance of a principle or guideline. For example, "The "cardinal rule" of investing is to diversify your portfolio."
What is the difference between "cardinal rule" and "general rule"?
"Cardinal rule" implies a fundamental and inviolable principle, while "general rule" suggests a guideline that is typically followed but may have exceptions.
What can I say instead of "cardinal rule"?
You can use alternatives like "fundamental principle", "essential guideline", or "basic tenet" depending on the context.
Is it acceptable to break a "cardinal rule"?
Because a "cardinal rule" is considered fundamental, breaking it is generally discouraged and may lead to negative consequences. However, there might be exceptional circumstances where deviating from it is necessary.
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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
88%
Authority and reliability
4.6/5
Expert rating
Real-world application tested