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

In the age of TikTok and endless scroll, fragrance is designed to trend briefly and vanish. —Sudhir Gupta, Rolling Stone, 4 Feb. 2026

Rather than reflecting endless variation within one disorder, the study suggests that different disease experiences may stem from distinct biological patterns. —New Atlas, 4 Feb. 2026

There are so many reasons to be mad; the mostly baseless and endless attacks on higher education, the dismantling of life-saving research, ICE, the subverting of policy that redresses shameful social harms. —Wendy Nelson Espeland, Chicago Tribune, 3 Feb. 2026

But don’t let that stop Michigan and Michigan State fans from sharing endless slow-motion clips until the teams meet again on March 8. —Joe Rexrode, New York Times, 3 Feb. 2026

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