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
countless thousands of
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "countless thousands of" is correct and usable in written English.
It can be used to emphasize a very large number of something, often in a hyperbolic sense. Example: "The festival attracted countless thousands of visitors from all over the country."
✓ Grammatically correct
News & Media
Encyclopedias
Alternative expressions(3)
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 countless thousands of white children like myself and my friends, there was no other contact with blacks.
News & Media
These figures surely obscure countless thousands of jobs lost to automation, but that's a normal part of a dynamic economy.
News & Media
Turn over a stone in this part of London and - rats, sewers, Tube tunnels, cables aside - there are countless thousands of corpses sinking slowly into the sodden clay.
News & Media
Countless thousands of Cubans have come to Miami on planes and makeshift rafts, some with little but the shirt on their back and hope in their hearts.
News & Media
Over the last two centuries, countless thousands of people have deserted the countryside for the towns or new lives overseas.
News & Media
The sport of kings will miss a man whose professionalism and dignity contributed to the enjoyment of countless thousands of racing fans.
News & Media
These drugs give him, and countless thousands of others, a good quality of life - something his father was never lucky enough to enjoy.
News & Media
Countless thousands of others are unlicensed.
News & Media
Countless thousands of travellers will stream in from Ireland.
News & Media
WEINGARTEN -- You conducted countless thousands of experiments on TV.
News & Media
This is especially important to the countless thousands of families from the city's most disadvantaged communities.
News & Media
Expert writing Tips
Best practice
Use "countless thousands of" to emphasize a very large, but not precisely known, quantity. It's more impactful than simply saying "thousands".
Common error
While effective, overuse of "countless thousands of" can diminish its impact. Vary your language with alternatives like "numerous thousands of" or "myriad thousands of" to keep your writing engaging.
Source & Trust
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "countless thousands of" functions as a quantifier, specifically indicating a large and indefinite number. It modifies a noun to suggest that the number is substantial and difficult or impossible to count precisely. As Ludwig AI confirms, this is a valid and widely used expression.
Frequent in
News & Media
70%
Encyclopedias
15%
Formal & Business
5%
Less common in
Science
3%
Reference
2%
Wiki
1%
Ludwig's WRAP-UP
In summary, "countless thousands of" is a grammatically sound and widely used phrase to express a large, indefinite quantity. Ludwig AI analysis reveals that it is most commonly found in news and media, as well as encyclopedic sources. While versatile, consider alternatives to prevent redundancy. As Ludwig confirms, the expression is suitable for neutral registers, effectively conveying scale and emphasis. Its prevalence among authoritative sources underscores its validity in diverse writing contexts.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
Uncountable thousands
Directly states the inability to count the thousands.
Innumerable thousands of
Replaces "countless" with "innumerable", emphasizing the inability to count.
Myriad thousands of
Uses "myriad" instead of "countless", highlighting the vastness and variety.
Numerous thousands of
Substitutes "countless" with "numerous", suggesting a large but unspecified quantity.
Vast numbers of thousands
Emphasizes the large quantity by using "vast numbers".
A multitude of thousands
Replaces "countless" with "a multitude", indicating a great number.
Many multiples of thousands
Uses "many multiples" to suggest a quantity that is significantly more than a thousand.
Thousands upon thousands
Repeats "thousands" for emphasis, conveying a very large number.
An abundance of thousands
Focuses on the plentiful nature of the thousands.
Significant numbers of thousands
Emphasizes the importance or impact of the large number of thousands.
FAQs
How can I use "countless thousands of" in a sentence?
Use "countless thousands of" to describe a large quantity that is difficult or impossible to count precisely. For example: "Countless thousands of people attended the festival."
What is a synonym for "countless thousands of"?
Synonyms include "innumerable thousands of", "myriad thousands of", and "numerous thousands of".
Is it correct to say "countless millions of" instead of "countless thousands of"?
Yes, "countless millions of" is also correct, but it indicates a significantly larger quantity. Use the phrase that best reflects the actual quantity you are describing.
What's the difference between "countless thousands of" and "many thousands of"?
"Countless thousands of" emphasizes the impossibility of counting the exact number, while "many thousands of" simply indicates a large quantity. The former adds more emphasis on the scale.
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