[ end-lis ]
See synonyms for: endlessendlesslyendlessness on Thesaurus.com

  1. having or seeming to have no end, limit, or conclusion; boundless; infinite; interminable; incessant: an endless series of complaints; Time is endless.

  2. made continuous, as by joining the two ends of a single length: an endless chain or belt.

Origin of endless

First recorded before 900; Middle English endelees, Old English endelēas. See end1, -less

synonym study For endless

1. See eternal.

Other words for endless

Other words from endless

  • end·less·ly, adverb
  • end·less·ness, noun
  • quasi-endless, adjective
  • qua·si-end·less·ly, adverb

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use endless in a sentence

  • The miles before him reached out in unshortened endlessness.

    Under Handicap | Jackson Gregory
  • Time was an endlessness whose vanishing left its illusion unchanged.

    Erik Dorn | Ben Hecht
  • The experiences were always associated with great physical weariness and the sense of the endlessness of the journey.

    Windfalls | (AKA Alpha of the Plough) Alfred George Gardiner
  • It seems to me that it does not require more than a train of one hundred camels to convey the idea of endlessness.

    The Syrian Christ | Abraham Mitrie Rihbany
  • Infinity in the Hegelian sense does not partake in any way of this endlessness, or of the unreality which attaches to it.

British Dictionary definitions for endless


/ (ˈɛndlɪs) /

  1. having or seeming to have no end; eternal or infinite

  2. continuing too long or continually recurring

  1. formed with the ends joined: an endless belt

Derived forms of endless

  • endlessly, adverb
  • endlessness, noun

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