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
most significant challenges
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "most significant challenges" is correct and usable in written English.
You can use it when discussing the major difficulties or obstacles faced in a particular context, such as a project, research, or personal experience. Example: "One of the most significant challenges we encountered during the project was the lack of resources."
✓ Grammatically correct
News & Media
Science
Formal & Business
Alternative expressions(15)
major obstacles
key difficulties
main problems
major difficulties
most substantial challenges
most salient challenges
most prominent challenges
most noticeable challenges
most daunting challenges
most difficult challenges
most important challenges
most striking challenges
greatest difficulties
biggest challenges
key challenges
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
The company's strategic direction statement 2010-2035 identifies climate change and regional growth as its two most significant challenges.
News & Media
The most significant challenges are the inherent flaw sensitivity, or brittleness, of ceramics and the variability of their mechanical properties.
Encyclopedias
In the United States, the Tech Challenge for Atrocity Prevention encourages individuals, groups and organisations to apply technology-based solutions to the most significant challenges surrounding atrocity prevention.
News & Media
This year, half of the projects with the most significant challenges improved, while our work to develop our people has meant we are relying less on costly consultants".
News & Media
The most significant challenges for women were avoiding being pushed into certain types of work and balancing career and caring responsibilities.
News & Media
However, Ham added, he could think of no one better qualified to help the NHS tackle the most significant challenges it has faced in a generation.
News & Media
Cardinals say the next pope will have to be someone well suited to the most significant challenges that the church faces.
News & Media
If it does boil down to a kicking contest, England have the super-cool Owen Farrell and Lancaster's team also possess growing confidence in their ability to withstand even the most significant challenges.
News & Media
Or were programmes improveing the situations of the poorest people the best way to go? David Bull from Unicef said his organisation considers the lack of livelihoods for young people one of the world's most significant challenges.
News & Media
Indeed, one of the most significant challenges facing anyone who wants to develop an exercise pill is that the biological processes unleashed by physical activity are still relatively mysterious.
News & Media
Mr. Suozzi said that before taking office Jan . 1he knew that the problems plaguing the county's tax assessment system were extensive and would be among his most significant challenges.
News & Media
Expert writing Tips
Best practice
When using "most significant challenges", ensure you clearly define the context to provide clarity about what is being challenged. For example, specify "the most significant challenges facing the healthcare industry".
Common error
Avoid generic statements like "the most significant challenges are important". Instead, specify the area or field to which the challenges apply, and elaborate on why these challenges are significant.
Source & Trust
84%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "most significant challenges" functions as a noun phrase, typically serving as the subject, object, or complement within a sentence. Ludwig AI indicates its widespread use in identifying and emphasizing key difficulties across various domains.
Frequent in
Science
31%
News & Media
31%
Formal & Business
7%
Less common in
Encyclopedias
2%
Reference
0%
Social Media
0%
Ludwig's WRAP-UP
The phrase "most significant challenges" is a versatile and frequently used expression to highlight major difficulties or obstacles in various contexts. As Ludwig AI confirms, it is grammatically correct and appears in diverse fields such as science, news, and business. When employing this phrase, clarity is key: specify the area or context to which the challenges apply. While alternatives like "major obstacles" or "key difficulties" exist, "most significant challenges" often implies a deeper, more impactful set of difficulties, making it suitable for formal and professional communications.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
major obstacles
Replaces "significant challenges" with a more direct term for difficulties.
key difficulties
Substitutes "significant" with "key" highlighting the importance of the difficulties.
primary hurdles
Replaces both "significant" and "challenges" with synonyms emphasizing the obstacles to overcome.
main problems
Offers a simpler and more general way to express the core difficulties.
chief concerns
Shifts the focus to the concerns that arise from the challenges.
greatest issues
Uses "greatest" to amplify the importance of the issues.
critical obstacles
Emphasizes the crucial nature of the obstacles.
foremost difficulties
Highlights the prominence of the difficulties.
principal setbacks
Focuses on the hindrances or reversals caused by the challenges.
dominant impediments
Uses more formal vocabulary to describe the obstacles.
FAQs
How can I use "most significant challenges" in a sentence?
You can use "most significant challenges" to highlight major obstacles or difficulties in a specific context. For example: "One of the "most significant challenges" in climate change is reducing carbon emissions."
What are some alternatives to "most significant challenges"?
Alternatives include "major obstacles", "key difficulties", or "primary hurdles" depending on the specific nuance you want to convey.
Is it better to say "biggest challenges" or "most significant challenges"?
Both "biggest challenges" and "most significant challenges" are correct, but "most significant challenges" often implies a deeper, more impactful set of difficulties, while "biggest challenges" simply refers to size or scale. Choose the phrase that best fits the specific context.
Can "most significant challenges" be used in both formal and informal writing?
Yes, "most significant challenges" is appropriate for both formal and informal contexts. However, in very informal settings, simpler phrases like "main problems" or "biggest issues" might be preferred.
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
84%
Authority and reliability
4.6/5
Expert rating
Real-world application tested