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
key obstacle
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "key obstacle" is correct and usable in written English.
It can be used to refer to a significant barrier or challenge that hinders progress in a particular situation or context. Example: "The key obstacle to achieving our goals is the lack of funding for the project."
✓ Grammatically correct
News & Media
Science
Academia
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
Another key obstacle has been the position of the US.
News & Media
"The key obstacle," says Wood, "is transferring the skills.
News & Media
This removed a key obstacle to further, more ambitious attacks.
News & Media
Palestinians see such construction as a key obstacle to statehood.
News & Media
So far, Russia has been a key obstacle to ending the suffering in Syria.
News & Media
On-field communication aside, his key obstacle to the number 15 jersey is Karmichael Hunt.
News & Media
In 2012, Jeffrey Sachs said a lack of funding was a key obstacle to progress.
News & Media
For multinational companies, language barriers are a key obstacle to social business.
The key obstacle to a strong recovery right now is tight credit".
News & Media
The absence of a functioning public administration to enforce rules was also a key obstacle.
News & Media
The Cambodian settlement removed a key obstacle to normalizing relations with China, Japan, and Europe.
Encyclopedias
Expert writing Tips
Best practice
When using "key obstacle", ensure that you clearly define what the obstacle is and why it is significant in the given context. This provides clarity and strengthens your argument.
Common error
Avoid using "key obstacle" for minor inconveniences. Reserve it for truly significant impediments that substantially hinder progress or success.
Source & Trust
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "key obstacle" functions primarily as a noun phrase, often serving as the subject complement or object in a sentence. It identifies and highlights a significant impediment or barrier. Ludwig AI provides numerous examples where "key obstacle" is used to pinpoint crucial challenges.
Frequent in
News & Media
36%
Science
33%
Academia
13%
Less common in
Encyclopedias
3%
Formal & Business
2%
Social Media
0%
Ludwig's WRAP-UP
In summary, "key obstacle" is a versatile and frequently used noun phrase that denotes a significant impediment. Ludwig AI confirms its grammatical correctness and wide applicability. It appears most commonly in News & Media, Science, and Academic contexts. When employing this phrase, ensure clarity by defining the obstacle and its impact. While alternatives like "main impediment" or "primary challenge" exist, "key obstacle" effectively highlights the centrality of a problem. Avoid overuse for minor inconveniences to maintain its impact.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
main impediment
Replaces "key" with "main" and "obstacle" with "impediment", both conveying a similar sense of importance and obstruction.
major stumbling block
Uses a metaphorical expression to indicate a significant difficulty or problem.
primary challenge
Focuses on the difficulty as a challenge rather than an obstruction.
chief difficulty
Emphasizes the principal nature of the problem.
principal barrier
Highlights the obstruction aspect, using "principal" for emphasis.
central hurdle
Conveys the idea of something that must be overcome, using "central" to denote importance.
critical bottleneck
Identifies the obstruction as a point of congestion or blockage.
biggest problem
A more straightforward way of expressing a significant issue.
foremost concern
Shifts the focus to a matter of great importance or worry.
major constraint
Highlights the restrictive nature of the difficulty.
FAQs
How can I use "key obstacle" in a sentence?
You can use "key obstacle" to describe a significant barrier preventing progress, such as "The "key obstacle" to the project's completion is funding".
What are some alternatives to "key obstacle"?
Alternatives include "main impediment", "major stumbling block", or "primary challenge", depending on the specific nuance you want to convey.
Is it better to say "key obstacle" or "major obstacle"?
Both "key obstacle" and "major obstacle" are acceptable. "Key" emphasizes centrality or importance, while "major" emphasizes size or impact. The best choice depends on the specific context.
What is the difference between a "key obstacle" and a "minor inconvenience"?
A "key obstacle" represents a significant impediment that seriously hinders progress or success, whereas a "minor inconvenience" is a small, easily manageable issue that causes slight delay or annoyance but does not substantially affect the overall 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
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested