countless

adjective

ˈkau̇nt-ləs How to pronounce countless (audio)
Definition of countlessnext
as in many
too many to be counted I've told you countless times not to do that

Synonyms & Similar Words

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Antonyms & Near Antonyms

Example Sentences

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.
Recent Examples of countless Undiminished by light pollution, countless stars filled the night sky. — Jonathan O'Callaghan, Scientific American, 18 Aug. 2026 But Luckey says his own story—and those of countless other founders just like him—proves that America is still the golden land of opportunity. — Orianna Rosa Royle, Fortune, 18 Aug. 2026 The work, of course, remains unfinished, although the parenthesis’s open-endedness functioned like a magnet for countless later writers, inviting them to graft their versions of how the book should continue. — Literary Hub, 18 Aug. 2026 While countless influencers offer tips for growing online audiences, little training exists for how to actually deal with managing the stress of having large followings. — Julianna Pillemer, The Conversation, 18 Aug. 2026 See All Example Sentences for countless
Recent Examples of Synonyms for countless
  1. many
  2. numerous
  3. innumerable
  4. numberless
Adjective
  • And for projects that reach a certain level of complexity, many developers choose JLL’s project and development services team that’s based in Atlanta to deliver their plans.
    — Zachary Hansen, AJC.com, 20 Aug. 2026
  • That triggered a crunch among many developers and brought on a downturn in the property market that has weighed on the broader economy ever since.
    — ABC News, ABC News, 20 Aug. 2026
Definition of many
Adjective
  • In recent years, the winning-streak record had numerous promising challengers.
    — Mark Puleo, New York Times, 16 Aug. 2026
  • But in a state where numerous local cartels make money not only from drugs but also from extortion, there are plenty of possibilities.
    — ABC News, ABC News, 16 Aug. 2026
Definition of numerous
Adjective
  • There are innumerable scenarios for which Washington needs to be prepared.
    — Elizabeth Sherwood-Randall, Foreign Affairs, 18 Aug. 2026
  • Like every other element on the periodic table, helium has innumerable applications, including some that are especially important to space and spaceflight.
    — Josh Dinner, Space.com, 18 Aug. 2026
Definition of innumerable
Adjective
  • Or they will be devoured by plankton’s numberless predators.
    — Literary Hub, Literary Hub, 23 Feb. 2026
  • The shift is already underway in markets like Brazil and Australia, where numberless cards and systems are gaining traction.
    — Kevin Pierce, Forbes.com, 11 Sep. 2025
Definition of numberless

Browse Nearby Words

counting (up to)
countless
count noun
See all Nearby Words

Cite this Entry

“Countless.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/countless. Accessed 20 Aug. 2026.

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More from Merriam-Webster on countless

Nglish: Translation of countless for Spanish Speakers

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