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

This term was popularized by Gen Z to describe the mental fog and cognitive decline linked to endless scrolling. —Mark Travers, Forbes.com, 11 July 2025

Now, Ethan Holliday is next in line for a baseball dynasty forged under the endless skies of Oklahoma. —Cody Stavenhagen, New York Times, 10 July 2025

Best Amazon Prime Day Kindle Deals Like the original Amazon Kindle e-reader, the Kindle Paperwhite offers endless advantages. —Rosie Marder, Travel + Leisure, 10 July 2025

Lines between captor and captive, justice and survival, begin to blur as the siege spirals for 11 endless, terrifying days. —Matt Grobar, Deadline, 10 July 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