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
innumerable hours of
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "innumerable hours of" is correct and usable in written English.
It can be used to emphasize a large, often uncountable, amount of time spent on an activity or task. Example: "After innumerable hours of practice, she finally mastered the piano."
✓ Grammatically correct
News & Media
Science
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
5 human-written examples
Both luminaries have afforded innumerable hours of pleasure, sometimes even transcendence, across various art forms in their storied careers.
News & Media
He's relaxed, likable and – unsurprisingly for someone who has presented innumerable hours of live TV – an effortless talker.
News & Media
She unearthed Jane's journals, and conducted innumerable hours of research in order to write what was to become a collage of poetry, prose and documentary sources – words designed to "disrupt the tabloid, 'page-turner' quality of the story".
News & Media
Innumerable hours of my life have been spent in barbershops that specialise in cutting black people's hair, and the majority of my visits had nothing to do with getting my hair cut.
News & Media
Innumerable hours of my life have been spent in barbershops that specialize in cutting black people's hair, and the majority of my visits had nothing to do with getting my hair cut.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
54 human-written examples
"At Martha Stewart's direction, since early June, we have sought to cooperate fully with all of the House committee's requests for information, have voluntarily provided more than 1,500 pages of documents in response to its requests and have spent innumerable hours responding to dozens of additional requests for information," the statement said.
News & Media
No worries, you've sunk innumerable hours into Xbox, and now have the dexterity of a tiger.
News & Media
On the other side of the trip to Los Angeles would be innumerable hours in a rented van.
News & Media
I spent innumerable hours factoring, searching for primes, memorizing them.
News & Media
I pored over "The Official Preppy Handbook" for innumerable hours when it came out in 1980.
News & Media
My mother's hands spent innumerable hours dancing about on her flute.
News & Media
Expert writing Tips
Best practice
Use "innumerable hours of" to effectively emphasize the large amount of time spent on a particular activity, conveying a sense of dedication or effort. Consider the context to ensure the phrase's tone aligns with your writing.
Common error
Avoid using "innumerable hours of" to describe relatively short or easily quantifiable durations. It is intended to convey a sense of a vast, unquantifiable time investment.
Source & Trust
86%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "innumerable hours of" functions as an adjective phrase modifying "hours", indicating a very large, uncountable quantity of time. As seen in Ludwig, it emphasizes the extensiveness of time spent on a given activity.
Frequent in
News & Media
60%
Science
20%
Wiki
20%
Less common in
Encyclopedias
0%
Formal & Business
0%
Reference
0%
Ludwig's WRAP-UP
In summary, the phrase "innumerable hours of" effectively conveys a significant and seemingly uncountable amount of time spent on a particular activity. According to Ludwig, the phrase is grammatically correct and usable in written English. While not overly common, it appears most frequently in news and media contexts and carries a neutral to slightly formal tone. Alternatives like "countless hours of" or "endless hours of" offer similar meanings with potentially different shades of emphasis. When using this phrase, ensure it accurately reflects a substantial time investment to maintain credibility.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
countless hours of
Replaces "innumerable" with "countless", emphasizing the inability to count the hours, while retaining the meaning of a large amount of time.
endless hours of
Substitutes "innumerable" with "endless", suggesting that the hours seemed to go on without end, highlighting the perceived duration.
untold hours of
Similar to "innumerable", but with a slightly more literary or dramatic tone, also suggesting the hours are too many to count or recount.
numerous hours dedicated to
Emphasizes the dedication and focus associated with the time spent.
extensive hours of
Focuses on the breadth and scope of the time spent, rather than the inability to count it.
considerable hours of
Emphasizes the substantial nature of the time investment.
a great deal of time spent
Uses a more verbose structure to convey the large amount of time devoted.
significant amount of time
A more general phrase that conveys the idea of a notable time investment, without the specific mention of "hours".
long period of time
A broader term indicating an extended duration.
substantial time investment
Highlights the investment aspect of the time spent, suggesting a deliberate allocation of time to something.
FAQs
How can I use "innumerable hours of" in a sentence?
You can use "innumerable hours of" to describe a significant time investment in something, such as "After "innumerable hours of" practice, she perfected her skill" or "The project required "innumerable hours of" research and dedication".
What's the difference between "innumerable hours of" and "countless hours of"?
While both phrases convey a large, unquantifiable amount of time, "innumerable hours of" may suggest a slightly more formal or literary tone compared to the more common phrase "countless hours of".
What are some alternatives to "innumerable hours of"?
Alternatives include "endless hours of", "untold hours of", or a more general phrase like "a significant amount of time" depending on the context.
Is it correct to say "innumerable of hours" instead of "innumerable hours of"?
No, the correct phrasing is "innumerable hours of". The preposition "of" is essential to connect "innumerable" to the noun it modifies.
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Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
86%
Authority and reliability
4.1/5
Expert rating
Real-world application tested