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
a key condition
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "a key condition" is correct and usable in written English.
It can be used to refer to an essential requirement or factor that must be met for something to occur or be valid. Example: "Meeting the deadline is a key condition for the success of this project."
✓ Grammatically correct
News & Media
Science
Formal & Business
Alternative expressions(16)
an essential requirement
a crucial factor
a vital necessity
an important condition
an indispensable element
a prerequisite
a fundamental aspect
a determining factor
a crucial requirement
an essential factor
a critical condition
a significant condition
a crucial condition
a key element
a primary stipulation
an essential prerequisite
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
For many, a key condition is that the person who perpetrated the hurt shows remorse.
News & Media
Nor can laïcité be seen as a system that in itself creates a key condition for Islamic terrorism to grow.
News & Media
But the tax cut was a key condition for the Free Democrats to join Mrs. Merkel in government after 11 years in opposition.
News & Media
It is, he says, "an exemplar of what's become a key condition for us, which is a homesickness in our own lives".
News & Media
Donors increasingly stress innovation as a key condition for funding, and many civil society organisations emphasise that innovation is central to the work they do.
News & Media
Pakistan has already begun to stop the infiltration of Islamic militants into Indian-controlled Kashmir, fulfilling a key condition by India for a military reduction.
News & Media
With political stability a key condition for the smooth going of Greece's EU/IMF bailout, senior officials have dismissed any notion that the government was under threat.
News & Media
The agreement "provides a definitive date for the satisfaction of a key condition of our bid," said Gregory Wilkins, Barrick's chief executive.
News & Media
That is the reason new members of the EU have to conform to this model of independent regulation: it is a key condition for the health of democracy.
News & Media
AP reports: Hollande said French firms were expected to participate in Greece's huge privatization program, a key condition of the country's bailout program.
News & Media
Meyer says a key condition, "that should have been a red line but that wasn't", was that the military process should have been subordinate to a diplomatic strategy.
News & Media
Expert writing Tips
Best practice
Use "a key condition" to emphasize the importance of a specific element when outlining requirements, agreements, or procedures. It clarifies priorities and sets expectations.
Common error
Avoid using "a key condition" for items that are merely helpful or beneficial. Reserve it for conditions that are strictly necessary and without which the desired outcome cannot be achieved.
Source & Trust
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "a key condition" functions primarily as a noun phrase, often acting as a subject complement or object complement. It identifies a specific requirement or factor that is essential for a particular outcome or situation. As Ludwig AI explains, it is a correct and usable expression in English.
Frequent in
News & Media
40%
Science
35%
Formal & Business
25%
Less common in
Encyclopedias
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
The phrase "a key condition" is a grammatically correct and widely used expression to highlight the essential nature of a specific requirement or factor, as stated by Ludwig AI. It is most frequently found in News & Media, Science, and Formal & Business contexts, indicating a neutral to formal register. To maintain clarity, reserve the phrase for conditions that are truly indispensable. Consider using alternatives like "an essential requirement" or "a crucial factor" for nuanced emphasis. Overall, "a key condition" is a powerful phrase for clearly defining what is necessary for success.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
an essential requirement
Focuses on the necessity of the element, emphasizing its indispensable nature.
a crucial factor
Highlights the importance of the element in determining the outcome.
a vital necessity
Emphasizes the life-or-death nature of the condition.
an indispensable element
Stresses that the element cannot be done without.
a prerequisite
Indicates that the element must be in place before anything else can happen.
a fundamental aspect
Highlights the basic and foundational nature of the element.
a determining factor
Suggests that the element is what ultimately decides the outcome.
a mandatory provision
Emphasizes the obligatory nature of the element.
a non-negotiable term
Highlights that the condition is firm and unchangeable.
an imperative
Stresses the urgent and crucial nature of the condition.
FAQs
How can I use "a key condition" in a sentence?
Use "a key condition" to highlight an essential requirement or factor for a particular outcome. For example, "Meeting the deadline is "a key condition" for the project's success."
What are some alternatives to "a key condition"?
You can use phrases like "an essential requirement", "a crucial factor", or "a vital necessity" depending on the context.
Is it better to say "a key condition" or "an important condition"?
"A key condition" implies a higher level of necessity and importance compared to "an important condition". Use "a key condition" when the condition is absolutely essential.
In what contexts is "a key condition" most appropriately used?
"A key condition" is often used in formal settings, such as legal agreements, project planning, or scientific research, where specific requirements must be clearly emphasized. It is suitable for any situation where a particular factor is critical to success.
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
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested