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

• bottomless
• boundless
• fathomless
• horizonless
• illimitable
• immeasurable
• immensurable
• indefinite
• infinite
• limitless
• measureless
• unbounded
• unfathomable
• unlimited

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

Traditional news doesn’t hit the same when our personal feeds are designed to present us with an endless flux of novelty and nostalgia. —M. J. Corey, New Yorker, 24 May 2025

Each animal has poseable features, providing endless play and display possibilities. —Mia Huelsbeck, People.com, 24 May 2025

But from the employee side, endless emails, town halls, and text messages can feel overwhelming, not empowering. —Edward Segal, Forbes.com, 23 May 2025

Brilliant physicist Henrik creates a fusion reactor offering endless clean energy, but its commercial use leads to environmental collapse. —Matthew Carey, Deadline, 22 May 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