count·​less | \ ˈkau̇nt-ləs \

Definition of countless

: too numerous to be counted : myriad, many

Keep scrolling for more

Other Words from countless

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

That's why the pros in the Good Housekeeping Test Kitchen have cooked up countless of 'em (even intentionally drying some out for the sake of research!) to find exactly how to prepare and roast a perfect turkey. Heather Finn, Good Housekeeping, "How to Perfectly Prepare and Roast a Turkey This Thanksgiving," 20 Nov. 2018 Immediately after the news broke, countless celebrities took to social media to pay their respects to the singer and 18-time Grammy winner. Andrea Park, Glamour, "Celebrities Are Writing Touching Tributes to Aretha Franklin on Social Media," 16 Aug. 2018 In the wake of Demi Lovato's hospitalization for an apparent overdose, countless celebrities, friends, and fans shared heartfelt messages of love and support for the pop star's recovery. Andrea Park, Teen Vogue, "Selena Gomez's Mom Posts Message About Demi Lovato's Hospitalization," 25 July 2018 Trump himself has shown that having a Playboy lifestyle is compatible with being the hero to countless white evangelical Christians. Jeet Heer, The New Republic, "Evangelicals boldly back ex-pimp for state senator in Nevada.," 22 June 2018 This production would be worth seeing for her alone, but there are countless other reasons to go. Terry Teachout, WSJ, "‘Fabulation, or the Re-Education of Undine’ Review: A Nottage Revival," 27 Dec. 2018 In the streets between Restaurant Floreyn and Le Restaurant are countless cool cafés, notably Bakers & Roasters , the Avocado Show (expect to endure appalling lines), and Little Collins. Steve King, Condé Nast Traveler, "Why We Keep Going Back to Amsterdam," 24 Dec. 2018 The fights, breakups, and makeups that have gone down there are countless, but some favorites do exist. Danny Murphy, Marie Claire, "9 Dramatic 'Vanderpump Rules' Moments Nobody Can Ever Forget," 3 Dec. 2018 Brazil's Neymar is the most notorious World Cup faker, with his theatrics spawning countless memes. Martin Rogers, USA TODAY, "The World Cup is getting seriously dirty now," 4 July 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'countless.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

See More

First Known Use of countless

1588, in the meaning defined above

Keep scrolling for more

Learn More about countless

Statistics for countless

Last Updated

14 Feb 2019

Look-up Popularity

Time Traveler for countless

The first known use of countless was in 1588

See more words from the same year

Keep scrolling for more

More Definitions for countless



English Language Learners Definition of countless

: too many to be counted : very many


count·​less | \ ˈkau̇nt-ləs \

Kids Definition of countless

: too many to be counted countless grains of sand

Keep scrolling for more

Comments on countless

What made you want to look up countless? Please tell us where you read or heard it (including the quote, if possible).


to express emotion in a dramatic way

Get Word of the Day daily email!

Test Your Vocabulary

What did you just call me?! A Quiz

  • rows-of-various-emoji
  • If a member of the audience describes your speech as bombastic, does that person mean it is:
Name That Thing

Test your visual vocabulary with our 10-question challenge!


Test Your Knowledge - and learn some interesting things along the way.


Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!