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 requirement
Grammar usage guide and real-world examplesUSAGE SUMMARY
"hard requirement" is correct and usable in written English.
You can use the phrase "hard requirement" when referring to a strict rule that must be followed. For example: "Our company has a hard requirement that employees must take two weeks of vacation per year."
✓ Grammatically correct
News & Media
Academia
Science
Alternative expressions(20)
hard requirement
strict necessity
rigorous demand
non-negotiable condition
Strict necessity
Inflexible rule
Rigorous demand
Firm prerequisite
Mandatory provision
Hard demand
tough condition
high standard
Hard condition
Hard prerequisite
rigid requirement
rigid demand
tough requirement
Hard criteria
strong demand
Hard necessity
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
8 human-written examples
"That instrument panel was the first with a hard requirement for smell, a number which we should meet".
News & Media
Shortening hospital stays (No. 13) requires having someone in the community — family, a social worker — to receive the patient; that's an especially hard requirement for hospitals that treat a lot of low-income or homeless people.
News & Media
In order to successfully eliminate and tearing in the display or notes jumping, we had a hard requirement of 15 FPS for drawing the notes and updating the scoring metrics.
Academia
This is a trade-off we were willing to take as we had a hard requirement in not allowing any tearing or jumping in the note animation thread in order to enhance user experience.
Academia
$ETH as Gas is a metaphor for how gasoline is consumed; there is no hard requirement for Gas in an Ethereum contract.
News & Media
Technology enables the more efficient capture and distribution of that data at scale, but it isn't a hard requirement for gamification.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
52 human-written examples
Approaches for finding creative design solutions to problems with difficult specifications and hard requirements.
Academia
Many of these controls are based on hard requirements but they are also based on specific lessons learned.
The main focus is automotive application because they pose extremely hard requirements in terms of ambient parameters, life-time and programming cycles.
Science
Nobody gets fired for making something merely meet the hard requirements, even if it fails the "soft" requirement of "not sucking".
News & Media
The approach consists of "soft" obligations to search for a job and attend training, or of "hard" requirements to participate in public works or community work.
Science
Expert writing Tips
Best practice
When using "hard requirement", ensure that it is clearly defined and understood by all parties involved to avoid ambiguity and ensure compliance.
Common error
Avoid using "hard requirement" when describing something that is merely preferred or recommended. "Hard requirement" implies a strict, non-negotiable condition. Use phrases like "strong recommendation" or "preferred approach" when flexibility is acceptable.
Source & Trust
83%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "hard requirement" functions as a noun phrase, where "hard" modifies the noun "requirement". According to Ludwig AI, this phrase is grammatically correct and usable in written English. It typically acts as a subject complement or object in a sentence, specifying a mandatory condition.
Frequent in
News & Media
30%
Academia
20%
Science
20%
Less common in
Formal & Business
10%
Wiki
10%
Science
10%
Ludwig's WRAP-UP
The phrase "hard requirement" is a grammatically sound and usable expression that signifies a strict, non-negotiable condition or specification. Ludwig AI confirms this, indicating that it's appropriate to use when clarity and certainty are paramount. While the phrase isn't exceedingly common, appearing with "Uncommon" frequency, it's found across various authoritative sources, including The New York Times, TechCrunch, and Forbes. Its function is to state a mandatory condition, its purpose is to eliminate ambiguity, and its register leans towards neutral to professional. When using "hard requirement", ensure it reflects a truly inflexible condition and avoid confusing it with suggestions or preferences.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
Non-negotiable condition
Stresses the lack of flexibility or compromise.
Strict necessity
Focuses on the mandatory and inflexible nature.
Inflexible rule
Highlights the rigid and unyielding nature of the rule.
Rigorous demand
Highlights the demanding and exacting aspect.
Firm prerequisite
Emphasizes that it is a necessary condition that must be met beforehand.
Mandatory provision
Emphasizes the obligatory nature of the requirement.
Essential stipulation
Highlights the importance and necessity of the condition.
Imperative constraint
Stresses the limiting and unavoidable nature of the constraint.
Critical specification
Focuses on the technical or detailed aspect of the requirement.
Binding obligation
Focuses on the legally or morally compulsory aspect.
FAQs
How to use "hard requirement" in a sentence?
You can use "hard requirement" to emphasize a strict condition that must be met. For example: "Meeting the deadline is a "hard requirement" for project approval."
What can I say instead of "hard requirement"?
Alternatives to "hard requirement" include "strict necessity", "rigorous demand", or "non-negotiable condition" depending on the context.
Which is correct, "hard requirement" or "soft requirement"?
"Hard requirement" and "soft requirement" are both correct but have opposite meanings. A ""hard requirement"" is mandatory, while a "soft requirement" is desirable but not essential.
What's the difference between "hard requirement" and "essential requirement"?
While both imply necessity, a ""hard requirement"" often suggests inflexibility and strict adherence, whereas "essential requirement" emphasizes the importance for achieving a specific outcome.
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