countless

adjective

count·​less ˈkau̇nt-ləs How to pronounce countless (audio)
Synonyms of countlessnext
: 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.
The faceless head of a man bobbing in the water recalls the countless Africans who perished during the perilous journey due to disease, malnourishment, and abuse, whose bodies were thrown overboard by unscrupulous ship captains and slavers to schools of sharks. James Meyer, Artforum, 1 Jan. 2026 Having watched countless virtual characters come and go, Travers wasn’t particularly impressed with Tilly Norwood herself. Josh Rottenberg, Twin Cities, 31 Dec. 2025 Video of Kirk’s killing quickly went viral, as countless spectators realized their cameras were rolling as the fatal gunshot was fired – with many capturing the frantic aftermath as students ran for their lives. Julia Bonavita, FOXNews.com, 31 Dec. 2025 There are countless paths to take in this natural wonderland — each rewarding and captivating in their own way. South Seas, Miami Herald, 31 Dec. 2025 See All Example Sentences for countless

Word History

First Known Use

1593, in the meaning defined above

Time Traveler
The first known use of countless was in 1593

Browse Nearby Words

Cite this Entry

“Countless.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/countless. Accessed 3 Jan. 2026.

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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