Dictionary.com

Popular Searches

 Thesaurus.com
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.

Electric currents, streams of charged particles, and countless collisions combine to create these glowing displays.

From Science Daily

"Reverend Jackson championed human dignity and helped create opportunities for countless people to live better lives," they said in a statement.

From BBC

Her "countless" applications have all been ignored or rejected.

From BBC

It has played countless elementary schools, children’s hospitals, civic events and theme parks with interactive songs that teach musical concepts and life lessons.

From Los Angeles Times

Certainly, plenty of brands and stores are marketing that concept: You’ll find Valentine’s Day sales and promotions for car tires, cleaning products, battery chargers and, yes, vacuum cleaners, among countless practical-minded items.

From MarketWatch

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.