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.
Through countless binges and marathons, the NBC sitcom has built up a fan devotion that borders on religious. Dave Nemetz, TVLine, 3 Sep. 2025 This, in turn, has caused countless layoffs and financial issues within the automotive supply chain. Steve Tengler, Forbes.com, 3 Sep. 2025 The rise of fascism encroaches on her like a disease, culminating in a personal invitation from Mussolini himself, but we’re dealt countless scenes of Eleonora’s psychosis before we’re granted a contextual explanation of what feeds it. Blake Simons, IndieWire, 3 Sep. 2025 UnCruise offers countless ways to immerse in its beauty. Uncruise Adventures, AFAR Media, 3 Sep. 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 9 Sep. 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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