endless
Americanadjective
-
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
-
made continuous, as by joining the two ends of a single length.
an endless chain or belt.
adjective
-
having or seeming to have no end; eternal or infinite
-
continuing too long or continually recurring
-
formed with the ends joined
an endless belt
Synonym Usage
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."
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.
The killing of Shakur, also known as 2Pac, is one of America's most celebrated cold cases, prompting endless debate among music fans over who did it and why.
From Barron's ● Aug. 10, 2026
But many cannot survive in the true wild, where large-scale predator control remains an endless battle, and are instead sent to fenced nature reserves, themselves high-maintenance undertakings facing problems like in-breeding and overpopulation.
From BBC ● Aug. 8, 2026
The waters between Turkey and Greece are dotted with endless tiny islands, as Odysseus learned the hard way, many of them reachable by rowboat.
From The Wall Street Journal ● Aug. 7, 2026
If you do become trustee, you must follow the trust terms and act in your niece’s best interests — and resist being the receptacle for endless familial requests.
From MarketWatch ● Aug. 7, 2026
It was a seemingly endless expanse of grand rooms, like a mirror reflected in a mirror.
From "The Mona Lisa Vanishes" by Nicholas Day
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.
