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

Relevance

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 Despite collecting from countless franchises, Darth Vader remains one of his all-time favorites. — Lily Brown, PEOPLE, 7 July 2026 These highly skilled men and women helped save six lives and brought hope to countless families during Venezuela’s darkest hours. — Ana Claudia Chacin, Miami Herald, 7 July 2026 The company has since sold countless products with the eight-time Ballon d’Or winner’s signature on them, and interest in Messi around the Qatar tournament helped fuel its best result to date. — Justin Birnbaum, Sportico.com, 7 July 2026 GoDaddy famously sponsored racecar driver Danica Patrick, while WordPress forms the backbone of countless sites. — Jordan Minor, PC Magazine, 7 July 2026 See All Example Sentences for countless
Recent Examples of Synonyms for countless
  1. many
  2. numerous
  3. innumerable
  4. numberless
Adjective
  • The lawsuit alleges the replacement tickets many fans were given by StubHub were worse than their original tickets.
    — Lily Wright, Los Angeles Times, 9 July 2026
  • James Stavridis, a retired US Navy admiral who had sailed through the Strait of Hormuz many times, agreed.
    — Brad Lendon, CNN Money, 9 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
  • An innumerable number of people who were at Sony back in the day came over to Apple.
    — Brian Davids, HollywoodReporter, 13 July 2026
  • Jesus taught his followers by his remarkable example, including innumerable healings, as well as through his sermons and parables.
    — Eric Bashor, Christian Science Monitor, 13 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 15 Jul. 2026.

Copy Citation

More from Merriam-Webster on countless

Nglish: Translation of countless for Spanish Speakers

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!

Popular in Grammar & Usage

See More

Merriam-Webster’s Great Big List of Words You Love to Hate

Is that lie 'bald-faced' or 'bold-faced'?

'A' or 'an'? What about before 'h'? An Indefinite Article Guide

Why is '-ed' sometimes pronounced at the end of a word?

Commonly Misspelled Words
See More

Popular in Wordplay

See More

14 Phobias You Probably Haven't Heard Of

It's a Scorcher! Words for the Summer Heat

The Longest Long Words List

Ten Words Ending with a Silent ‘T’

The Words of the Week - Jul 10
See More

Popular

See More

Merriam-Webster’s Great Big List of Words You Love to Hate

14 Phobias You Probably Haven't Heard Of

It's a Scorcher! Words for the Summer Heat
See More

Games & Quizzes

See All
Play Quordle: Guess all four words in a limited number of tries. Each of your guesses must be a real 5-letter word.
Quordle Can you solve 4 words at once?
Play Blossom: Solve today's spelling word game by finding as many words as you can using just 7 letters. Longer words score more points.
Blossom Pick the best words!
Play Missing Letter: a crossword with a twist. Each of the 25 puzzle words start with a different letter of the alphabet. Which letter is missing?
The Missing Letter A daily crossword with a twist
banana-mirrored
Contradictory Words Quiz Pick out which word means one thing…and the opp...
See All