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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
tireless hours of
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "tireless hours of" is correct and usable in written English.
It can be used to describe a significant amount of time spent working diligently and without rest on a particular task or project. Example: "After tireless hours of research, the team finally completed their groundbreaking study."
✓ Grammatically correct
News & Media
Science
Formal & Business
Alternative expressions(4)
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified similar examples from authoritative sources
Similar Expressions
60 human-written examples
For the last 45 years, my father has spent tireless hours on behalf of Jews from Iraq and other countries in that region, trying to ensure their political safety whether they left or ultimately decided to stay.
News & Media
We are indebted to the Infectious Disease Clinical Research Program TIDOS study team of clinical coordinators, microbiology technicians, data managers, clinical site managers, and administrative support personnel for their tireless hours to ensure the success of this project.
Science
So, the next time you find yourself wandering through a museum or gallery eyeing with admiration any one of Georgia O'Keeffe's paintings, remember that the tireless hours this master of modernism spent in her studio were supported by a truly holistic lifestyle.
News & Media
Why spend tireless hours traveling the country raising funds for this tuition-free, stipended program?
News & Media
In The Embarrassment of Riches Simon Schama writes of the spic-and-span Dutch towns and interiors that "shone from hours of tireless sweeping, scrubbing, scraping, burnishing, mopping, rubbing and washing".
News & Media
A few days earlier, we had celebrated Guillaume's wedding in the eco-chic beach resort town of Tulum, an hour's drive to the southeast; several of us in the wedding party had come to Valladolid to recover from 72 hours of tireless partying.
News & Media
Author Malcolm Gladwell suggested that mastery of anything requires 10,000 hours of tireless focus.
News & Media
Newly elected President Bill Pounders congratulated Ann Neilson for leading the association for three consecutive years and expressed appreciation for all the hundreds of hours of tireless effort that went into building a fantastic float.
News & Media
Best known for its tireless retelling of World War II -- hours of engrossing archival shots of Hitler's last days or the Yalta Conference -- the History Channel also generously relives the Kennedy assassination, the Hindenburg disaster and the Lindbergh-baby kidnapping case.
News & Media
Mr. Mbeki is known as a tireless worker who holds meetings into the wee hours of the morning.
News & Media
Most of yesterday's news was storm-related in any event, and you hopefully got much of that info from our tireless Huffington Post live-bloggers before the site went briefly dark in the wee hours of Tuesday morning.
News & Media
Expert writing Tips
Best practice
When using the phrase "tireless hours of", ensure it is followed by a specific activity or purpose to highlight the dedication and effort involved. For example, "tireless hours of research" or "tireless hours of practice".
Common error
Avoid using "tireless hours of" in contexts where the effort isn't directly linked to a deliberate action. For example, it is better to say "tireless hours of studying" than "tireless hours of waiting", as studying implies active effort, while waiting does not.
Source & Trust
82%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "tireless hours of" functions as an adjectival modifier, specifically describing the nature and extent of time invested in a particular activity. It emphasizes dedication and continuous effort over a prolonged duration, as confirmed by Ludwig.
Frequent in
News & Media
40%
Science
30%
Formal & Business
30%
Less common in
Encyclopedias
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
In summary, the phrase "tireless hours of" is a grammatically correct and effective way to emphasize the significant time and effort dedicated to a particular activity. According to Ludwig, its primary function is to modify nouns, highlighting the dedication and perseverance involved. While primarily found in news and media, scientific and formal business contexts, it conveys a sense of commitment and hard work. To maximize its impact, ensure it's followed by a specific action, and avoid using it in passive scenarios. Alternatives like "extensive hours dedicated to" or "countless hours spent on" can offer similar meaning with slight variations. This analysis confirms that "tireless hours of" is a valuable phrase for adding emphasis to dedicated work, as affirmed by Ludwig.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
Extensive hours dedicated to
Replaces "tireless" with "extensive" and rephrases the sentence structure to emphasize dedication.
Long hours devoted to
Substitutes "tireless" with "long" and "dedicated" with "devoted", focusing on commitment of time.
Countless hours spent on
Emphasizes the large number of hours involved, replacing "tireless" with "countless".
Endless hours of
Highlights the seemingly unlimited nature of the time spent, using "endless" in place of "tireless".
Considerable time invested in
Focuses on the investment aspect of time, shifting from effort to the value of time used.
Significant duration working on
Replaces "hours" with "duration" and focuses on the importance of the time spent.
Lengthy period of
Highlights extended time, changing from specific "hours" to a more general "period".
Extremely long time dedicated to
Emphasizes "extremely long time" spent on something, which makes it less focused than the original phrase.
Many, many hours dedicated to
Highlights the large number of hours involved, using a more informal repetition.
Innumerous hours of
Substitutes "tireless" with "innumerous", emphasizing the impossibility to count all hours involved.
FAQs
How can I effectively use "tireless hours of" in a sentence?
Use "tireless hours of" to emphasize the dedication and extensive time invested in a particular activity. For example, "The project required "tireless hours of research"".
What are some alternatives to the phrase "tireless hours of"?
Alternatives include phrases like "extensive hours dedicated to", "long hours devoted to", or "countless hours spent on", depending on the specific nuance you wish to convey.
Is it grammatically correct to say "tireless hours of"?
Yes, the phrase "tireless hours of" is grammatically correct and commonly used to describe a significant amount of time spent with great effort and dedication.
In what contexts is "tireless hours of" most appropriately used?
The phrase "tireless hours of" is best used in contexts where you want to highlight the perseverance and dedication someone has shown over a long period. It's suitable for describing efforts in research, development, practice, or any task requiring significant commitment.
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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
82%
Authority and reliability
4.1/5
Expert rating
Real-world application tested