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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.

Here countless celebrities and industry titans alighted as they came, or returned, to L.A.

From Los Angeles Times

During the Second World War, countless Polish artefacts, including historical archives and works of art, were looted by Nazi Germany.

From Barron's

To narrow down what seemed like countless possibilities when we were deciding, here are the steps we went through to go from clueless to confident.

From MarketWatch

The pandemic and lockdowns upended countless aspects of the way many of us perform our jobs, including what we should wear while doing so.

From The Wall Street Journal

The couple recall good times, too, as they supported Liam's passion for dance, watching him at countless competitions.

From BBC

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.