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 None of this generated the kind of headlines that a remote surgery possibly would have, but the reality has undoubtedly saved the lives of countless people. — Mariam Sorond, Forbes.com, 1 July 2026 King said in an interview with the AJC that changes at the federal level put countless people at risk of losing their insurance coverage. — Tamar Hallerman, AJC.com, 1 July 2026 For Cromwell, Monticello was a chance to educate herself, to become a better person — and, like countless others before her, using Thomas Jefferson as a prism. — ABC News, 30 June 2026 Large-scale events involve tabletop exercises with law enforcement, fire departments, emergency managers and venue officials running through countless scenarios — evacuations, suspicious packages, drones and crowd surges. — Bryan West, USA Today, 1 July 2026 See All Example Sentences for countless
Recent Examples of Synonyms for countless
  1. many
  2. numerous
  3. innumerable
  4. numberless
Adjective
  • Brad Pitt, Edward Norton, Joey King, Malin Akerman, Paris Hilton and many others arrived at SoFi Stadium (known as Los Angeles Stadium during the World Cup).
    — Jaclyn Hendricks, PEOPLE, 2 July 2026
  • Thick insulation foam required for a massive refrigeration operation, solar panels and refrigerants were burned, leaving many residents on edge.
    — Tony Briscoe, Los Angeles Times, 2 July 2026
Definition of many
Adjective
  • Sarah Buck, Chicago Driving has become harder The rapid increase in bike lanes has made driving much more difficult and tedious, with numerous delays due to many streets being reduced to one lane in busy areas.
    — Chicago Tribune, Chicago Tribune, 5 July 2026
  • Despite numerous myths, a cat's fur color does not impact its personality traits.
    — Madeline Gunderson, USA Today, 5 July 2026
Definition of numerous
Adjective
  • Musicians Ed Sheeran and Aaron Dessner, who have collaborated with Swift on innumerable songs, were also spotted eating together in the town of Malta, just over 150 miles north of New York City.
    — Ryan Coleman, Entertainment Weekly, 2 July 2026
  • And that’s not counting the innumerable clones and knock-offs selling for half as much through Alibaba, Amazon and other direct-to-consumer (DTC) makers.
    — William Roberson, Forbes.com, 1 July 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 9 Jul. 2026.

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More from Merriam-Webster on countless

Nglish: Translation of countless for Spanish Speakers

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