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 of endless

• 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

And while there isn't a project in the works to fill the vacant space, the possibilities are endless. —Veronica Ortega, CBS News, 22 Dec. 2025

But my days felt both hectic and aimless, a sloppy collage of sitting in Zoom meetings, responding to a self-replenishing firehouse of emails and Slack messages, and making endless tiny tweaks to our volunteer management system. —Literary Hub, 22 Dec. 2025

The choices are endless and will add texture, while also changing the flavor profile of a basic chocolate brownie to a decidedly homemade one. —Patricia S York, Southern Living, 22 Dec. 2025

That the seemingly endless detention is a penance. —Lauren Villagran, USA Today, 21 Dec. 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