endless

adjective

end·​less ˈen(d)-ləs 

1

: being or seeming to be without end

an endless speech

2

: extremely numerous

all the multiplied, endless, nameless iniquities

—Edmund Burke

3

: joined at the ends

an endless chain

endlessly adverb

endlessness noun

Synonyms

• infinite

Examples of endless in a Sentence

There was an endless line at the bank.

There is endless work to do on the house.

Recent Examples on the Web

Art has been an endless source of inspiration for Paul Andrew throughout his career. —Martino Carrera, Footwear News, 29 Sep. 2025

The possibilities for the CLA are endless. —Jared Weiss, New York Times, 29 Sep. 2025

This has led to endless debate and virtually no agreement on what constitutes a healthy food regimen. —Inga, San Diego Union-Tribune, 29 Sep. 2025

Bottom Line Both experts agree that achieving toned arms is about more than endless tricep kickbacks. —Lydia Patrick, MSNBC Newsweek, 28 Sep. 2025

Word History

First Known Use

before the 12th century, in the meaning defined at sense 1

Rhymes for endless

• friendless

Kids Definition

endless

adjective

end·​less ˈen-(d)ləs 

1

: being or seeming to be without end

2

: joined at the ends : continuous

an endless belt

endlessly adverb

endlessness noun