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.
The institution is now Southeast Asia’s most valuable company and winner of countless awards for good digital products and customer service, but when Tan joined DBS in 2010, the bank had a decidedly different reputation. Nicholas Gordon, Fortune, 16 Oct. 2025 While Boozey and countless other Bad Bunny fans are pumped up for the Puerto Rican rapper’s mid-game showcase in February, others have expressed outrage that a Spanish-speaking performer got the gig. Hannah Dailey, Billboard, 15 Oct. 2025 The roughly 200-mile stretch through northern Wisconsin is a particular delight, venturing from massive waterfalls (Copper Falls State Park and Pattison State Park) to countless lakes and the pine tunnels of Chequamegon-Nicolet National Forest. Jacqueline Kehoe, AFAR Media, 15 Oct. 2025 Federal immigration officers have been seen in countless videos using increasingly aggressive tactics while detaining immigrants. NPR, 14 Oct. 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 21 Oct. 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
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!