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.
After so long performing with his dad, and listening to countless live recordings, T.S. was the toughest critic of his father’s work. David Kushner, Rolling Stone, 20 July 2025 That leaves countless women isolated, misinformed, or resigned to believe that chronic discomfort is simply part of motherhood. Ashley Austin, Time, 20 July 2025 The city is brimming with culture, amazing food, friendly people, and countless activities. Rosie Marder, Travel + Leisure, 20 July 2025 The Red Sox are familiar with this type of post-Boston success, with Brasier, specifically, and countless other old friends who suddenly become un-hittable in another uniform. Gabrielle Starr, Boston Herald, 20 July 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

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Cite this Entry

“Countless.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/countless. Accessed 23 Jul. 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

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