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Synonyms

countless

American  
[kount-lis] / ˈkaʊnt lɪs /

adjective

  1. too numerous to count; innumerable.

    the countless stars.
    Synonyms:
    unlimited, myriad, endless, numberless
countless British  
/ ˈkaʊntlɪs /

adjective

  1. innumerable; myriad

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

  • countlessly adverb

Etymology

Origin of countless

First recorded in 1580–90; count 1 + -less

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Now he had to do what he’d seen Fa do countless times.

From Literature

Lady Constance delighted in each one, and she personally wrote countless prompt thank-you notes while the babies gurgled in their cradle.

From Literature

The Incorrigible children hugged the fortune-teller and danced in and out of her countless billowing scarves as they caught the puffs of steam from the awakening locomotive like so many wind-filled sails.

From Literature

I remember the countless smiles, the upbeat music, and the endless partying.

From Literature

For Danny and Glory and countless other kids, it was a dream they could escape to when their real world didn’t have room for them.

From Literature

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.