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
hard rule
Grammar usage guide and real-world examplesUSAGE SUMMARY
"hard rule" is a correct and usable phrase in written English.
It is typically used to describe a rule that must be strictly followed. For example, "The hard rule in our office is no personal phone calls during working hours."
✓ Grammatically correct
News & Media
Science
Wiki
Alternative expressions(20)
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
31 human-written examples
The hard rule is best: don't pay ransoms.
News & Media
There is no hard rule, and so lawsuits are uncommon.
News & Media
She seems to view Twitter's 140-character limit as rather like the other checks on her power: an annoyance to be sidestepped rather than a hard rule.
News & Media
"We have unlisted numbers in this industry, and we've got a long heritage in which we have always taken a harsh and hard rule on protecting the privacy of our customers' information".
News & Media
Thus our threshold is an approximation only and should not be considered as hard rule.
Supposedly the SEC is contemplating a hard rule on the separation of analysts and bankers.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
27 human-written examples
There are no hard rules for poems.
News & Media
In the hard rules of fate.
News & Media
The FSA has won plaudits for an approach based more on principles than hard rules.
News & Media
There should be hard rules determining when regulators have to seize a troubled financial firm.
News & Media
And there really are a few hard rules, some things that Mondrian will not do (or never did, at least).
News & Media
Expert writing Tips
Best practice
Use "hard rule" when emphasizing the absolute necessity of adhering to a specific guideline or regulation. It conveys a sense of non-negotiability and strict enforcement.
Common error
Avoid using "hard rule" when referring to guidelines that are subject to interpretation or have exceptions. This can create confusion and undermine the intended message. Instead, opt for terms like "general guideline" or "standard practice".
Source & Trust
83%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "hard rule" primarily functions as a noun phrase, typically acting as the subject or object of a sentence. Ludwig AI confirms its grammatical correctness and usability. For example, "There is no hard rule, and so lawsuits are uncommon."
Frequent in
News & Media
45%
Science
30%
Wiki
15%
Less common in
Formal & Business
5%
Encyclopedias
0%
Social Media
0%
Ludwig's WRAP-UP
In summary, "hard rule" is a grammatically sound and frequently used phrase that signifies a strict and inflexible guideline or regulation. As highlighted by Ludwig AI, it is typically used to emphasize the mandatory nature of a rule, leaving little room for deviation. Its usage is prevalent across diverse contexts, including news media, scientific publications, and online wikis. When employing this phrase, it's important to ensure that the context aligns with its intended meaning, avoiding its application to flexible guidelines or suggestions. By understanding its implications and adhering to best practices, writers can effectively convey the importance of strict adherence to specified regulations.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
strict regulation
Emphasizes the formal and controlled aspect of the rule.
firm guideline
Highlights the resolute and unwavering nature of the rule.
rigid principle
Focuses on the inflexibility and foundational aspect of the rule.
inflexible standard
Underscores the lack of flexibility in the required level of quality or achievement.
fixed policy
Points to the established and unchangeable nature of the rule within an organization or system.
unbending requirement
Stresses the mandatory and uncompromising aspect of the rule.
ironclad law
Emphasizes the unbreakable and legally binding nature of the rule.
non-negotiable term
Highlights the unalterable conditions or stipulations of an agreement.
mandatory provision
Focuses on the obligatory and stipulated nature of the rule.
stringent condition
Emphasizes the strict and demanding nature of the rule.
FAQs
How can I use "hard rule" in a sentence?
You can use "hard rule" to describe a strict or inflexible guideline. For example, "The "strict regulation" is that all employees must attend the safety training."
What phrases are similar to "hard rule"?
Similar phrases include "firm guideline", "rigid principle", and "inflexible standard". Each phrase conveys a sense of strictness and lack of flexibility.
Is it appropriate to use "hard rule" in formal writing?
Yes, "hard rule" is appropriate in formal writing when you want to emphasize the strict and non-negotiable nature of a regulation or guideline. However, consider the audience and context to ensure it aligns with the overall tone.
What is the difference between "hard rule" and "general guideline"?
A "hard rule" implies a strict and inflexible regulation, while a "general guideline" suggests a recommendation or suggestion that may allow for some flexibility or interpretation. The choice depends on the level of enforcement and the specific context.
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
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