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

And yet the emissions from this endless back-and-forth from shipping and aviation are rarely counted in countries’ official climate tallies. —Nathalie Kelley, Time, 17 June 2025

The options are seemingly endless, with a wide variety of terrains to choose from, including mountains, lakes, oceans, and even volcanoes. —Will McGough, Forbes.com, 17 June 2025

The exceptional wines like those Sonoma-Cutrer produces in Sonoma County complements endless opportunities to explore charming towns full of cafés, restaurants, shopping, and museums. —AFAR Media, 17 June 2025

What To Do Located on the Creole Nature Trail, Holly Beach has endless opportunities to experience the diverse wildlife of southwest Louisiana. —Meghan Overdeep, Southern Living, 17 June 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