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 Valentino Garavani’s Rockstud falls firmly into the latter category, having outlasted countless footwear trends, from chunky dad sneakers to barely-there heels. — Camila Quimper, Footwear News, 27 Oct. 2026 One source described it as featuring authentic human stories of everyone involved in the tour, from the singer and his fans to the countless others behind the scenes. — Steven J. Horowitz, Variety, 26 Oct. 2026 The dragnet also ensnared countless ordinary citizens like my father. — Literary Hub, 26 Oct. 2026 Special thank-yous to my longtime communications colleagues Jim Maiella, Olivia Dupuis and Matt Pollack for your friendship and partnership that has benefitted the company, and each of us, in countless ways. — Nellie Andreeva, Deadline, 26 Oct. 2026 See All Example Sentences for countless
Recent Examples of Synonyms for countless
  1. many
  2. numerous
  3. innumerable
  4. numberless
Adjective
  • She was photographed many times throughout the years by staff at The Sacramento Bee, The Fresno Bee, The Modesto Bee and the Merced Sun Star.
    — Hannah Ruhoff, Sacbee.com, 29 Oct. 2026
  • This translates into infinitely many families of identities, one for every value of a.
    — Lyndie Chiou, Scientific American, 29 Oct. 2026
Definition of many
Adjective
  • John Williams, who leads the derivatives practice at law firm Milbank LLP, says investors are seeking numerous ways beyond buying CDS to hedge their bets with respect to the AI trade.
    — Isabel O'Brien, CNBC, 23 Oct. 2026
  • At the Maunga Valley Retreat, in New Zealand, there are numerous interactions with horses.
    — Ondine Cohane, New York Times, 23 Oct. 2026
Definition of numerous
Adjective
  • The incubator for innumerable cultural innovations and political breakthroughs, from the lowrider to fitness culture, skating to the California burrito, gay rights, immigrant rights, disability rights.
    — Daniel Hernandez, Los Angeles Times, 7 Oct. 2026
  • Their combustion produces greenhouse gases that mix with emissions from innumerable other sources in a common atmosphere.
    — Gale Norton, Denver Post, 4 Oct. 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 29 Oct. 2026.

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