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 significant source
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "a significant source" is correct and usable in written English.
It can be used when referring to an important origin or contributor of information, resources, or materials in various contexts. Example: "The research identified a significant source of funding that enabled the project to move forward."
✓ Grammatically correct
News & Media
Science
Encyclopedias
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 fees have become a significant source of revenue.
News & Media
For many colleges, trustees are a significant source of money.
News & Media
It is also a significant source of iron.
News & Media
Nor was it a significant source of drugs.
News & Media
"That can definitely be a significant source of tension".
News & Media
Vegetables, especially tomatoes, are a significant source of lycopene.
News & Media
During the 1970s, oil was a major export and a significant source of foreign exchange.
News & Media
"Destroying the Amazon would also turn what is a significant carbon sink into a significant source".
News & Media
Despite being a significant source of economic growth, mining has never been a major employer.
News & Media
"We've taken away a significant source of conflict that tears many orchestras apart.
News & Media
Rotting solid waste in large quantities is a significant source of methane gas.
News & Media
Expert writing Tips
Best practice
When using "a significant source", ensure the context clearly identifies what is being sourced, providing specific details or examples to support your claim.
Common error
Avoid using "a significant source" when the actual contribution is minor or unsubstantiated. Ensure the source genuinely warrants the descriptor "significant" based on evidence and impact.
Source & Trust
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "a significant source" primarily functions as a noun phrase, acting as a subject complement, object of a preposition, or appositive. It identifies something as an important origin or contributor, as demonstrated by Ludwig's examples.
Frequent in
News & Media
41%
Science
32%
Encyclopedias
5%
Less common in
Wiki
3%
Formal & Business
3%
Reference
0%
Ludwig's WRAP-UP
In summary, "a significant source" is a grammatically correct and widely used noun phrase, meaning an important origin or contributor. Ludwig AI confirms its correctness and usability. It's most commonly found in news, scientific, and encyclopedic contexts. Related phrases include "an important source" and "a major source". When using this phrase, ensure you provide specific details about what's being sourced and avoid overstating the significance of the source.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
an important source
Replaces "significant" with "important", emphasizing the relevance or value.
a major source
Substitutes "significant" with "major", indicating a larger scale or greater impact.
a key source
Changes "significant" to "key", highlighting its essential or crucial role.
a valuable source
Replaces "significant" with "valuable", emphasizing the worth or usefulness.
a considerable source
Uses "considerable" instead of "significant", suggesting a substantial amount or degree.
a primary source
Replaces "significant" with "primary", highlighting its fundamental or original nature.
a notable source
Substitutes "significant" with "notable", indicating its worthiness of attention.
a prominent source
Changes "significant" to "prominent", emphasizing its visibility or importance.
a substantial contributor
Shifts from "source" to "contributor", highlighting its role in providing something.
a relevant factor
Modifies the phrase to focus on its relevance or connection to a particular subject or context.
FAQs
How can I use "a significant source" in a sentence?
You can use "a significant source" to indicate an important origin or contributor. For example, "The study identified social media as "a significant source" of misinformation".
What are some alternatives to "a significant source"?
Alternatives include "an important source", "a major source", or "a key source" depending on the context and the specific nuance you want to convey.
Which is correct, "a significant source" or "an significant source"?
"A significant source" is correct. The indefinite article "a" is used before consonant sounds, while "an" is used before vowel sounds.
What's the difference between "a significant source" and "a primary source"?
"A significant source" implies importance or impact, while "a primary source" refers to an original or first-hand account or piece of evidence.
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