countless

adjective

count·​less ˈkau̇nt-ləs How to pronounce countless (audio)
: too numerous to be counted : myriad, many
countlessly adverb

Examples of countless in a Sentence

There are countless reasons why that would not be a good idea. I've been there countless times.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
According to longtime manager Paul Rosenberg, the idea of an Eminem documentary has been pitched countless times throughout the years. Hugh McIntyre, Forbes.com, 25 Aug. 2025 Old Navy Mid-Rise Wow Baggy Wide-Leg Jeans Take a walk on the wide-leg side, á la Naomi Watts, Joanna Gaines, and countless other stars, with these relaxed jeans from Old Navy. Averi Baudler, People.com, 25 Aug. 2025 Over the years, Fowler has made multiple trips and devoted countless hours to Cairo — inspecting the site where the port will be rebuilt and modernized, encouraging Cairo’s preservation society and even hosting a block party. John T. Shaw, Chicago Tribune, 25 Aug. 2025 The Milky Way sprawled above like a luminous brain—countless stars clustered in neural patterns, a cosmos of flickering connections. Joshua Rothman, New Yorker, 25 Aug. 2025 See All Example Sentences for countless

Word History

First Known Use

1588, in the meaning defined above

Time Traveler
The first known use of countless was in 1588

Browse Nearby Words

Cite this Entry

“Countless.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/countless. Accessed 29 Aug. 2025.

Kids Definition

countless

adjective
count·​less ˈkau̇nt-ləs How to pronounce countless (audio)
: too numerous to be counted : innumerable

More from Merriam-Webster on countless

Last Updated: - Updated example sentences
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