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Synonyms

endless

American  
[end-lis] / ˈɛnd lɪs /

adjective

  1. having or seeming to have no end, limit, or conclusion; boundless; infinite; interminable; incessant.

    an endless series of complaints; Time is endless.

    Synonyms:
    perpetual, continuous, unceasing, unending, illimitable, limitless
  2. made continuous, as by joining the two ends of a single length.

    an endless chain or belt.


endless British  
/ ˈɛndlɪs /

adjective

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

  2. continuing too long or continually recurring

  3. formed with the ends joined

    an endless belt

"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

Related Words

See eternal.

Other Word Forms

Etymology

Origin of endless

First recorded before 900; Middle English endelees, Old English endelēas. See end 1, -less

Explanation

Things that are endless go on forever, or at least appear to. The ocean looks endless when you sail out of sight of the shore. Endless things are infinite — your love for someone might be endless, and the mathematical symbol of infinity represents an endless number. You're most likely to use this adjective to describe things that only seem to last forever, like an endless meeting at work or an endless commute during rush hour. The Old English root of endless is endeleas, "boundless or eternal."

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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.

Don’t go for the endless meals that are designed to fill you up quickly.

From MarketWatch • May 14, 2026

"There's resilience," she said, but "it's not endless."

From Barron's • May 13, 2026

People heading to Yosemite to escape urban congestion fumed this weekend as they waited in a seemingly endless line of cars at the park entrance.

From Los Angeles Times • May 6, 2026

The link to log in to my frequent-flier account sent me on an endless loop.

From The Wall Street Journal • May 1, 2026

He seemed happy to answer my endless questions, chatting about everything from the various dynastic eras to the differences among vessel forms and the characteristics of certain hardwoods.

From "The Red Car to Hollywood" by Jennie Liu

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