too numerous to count; innumerable: the countless stars.

Origin of countless

First recorded in 1580–90; count1 + -less
Related formscount·less·ly, adverb

Synonyms for countless Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for countless

Contemporary Examples of countless

Historical Examples of countless

  • But for her consolation were the matters of food and dress, and of countless junketings.

    Within the Law

    Marvin Dana

  • She hailed the happy thought and invested in countless yards of gauze.

  • Notwithstanding the opinions of countless flies, it was not an attractive place.

    Johnny Bear

    E. T. Seton

  • His works, countless in number, are the record of his knowledge.

  • His "countless myriads of living units" are all well enough in their way.

British Dictionary definitions for countless



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

Word Origin and History for countless

"numberless, uncountable," 1580s, from count (v.) + -less.

Online Etymology Dictionary, © 2010 Douglas Harper