cul-de-sac

noun

ˈkəl-di-ˌsak 

ˈku̇l-;

ˌkəl-di-ˈsak, 

ˌku̇l-

plural cul-de-sacs ˈkəl-di-ˌsaks 

ˈku̇l-;

ˌkəl-di-ˈsaks, 

ˌku̇l-

also culs-de-sac ˈkəl(z)-di-ˌsak 

ˈku̇l(z)-;

ˌkəl(z)-di-ˈsak, 

ˌku̇l(z)-

1

: a blind diverticulum or pouch

2

: a street or passage closed at one end

Our house is located on a quiet cul-de-sac.

3

: a fruitless or mistaken course or direction

If your job is a cul-de-sac, you have to quit or accept the fact that your career is over.

—Seth Godin

Examples of cul-de-sac in a Sentence

Recent Examples on the Web

Advertisement The ’Burbs (Peacock) When a new mother moves out of the city to the suburban cul-de-sac where her husband grew up, her first encounters with the neighbors call to mind a contemporary horror-comedy classic. —Judy Berman, Time, 27 Feb. 2026

One part of the plan calls for an extension of Innovation Drive to West Wisconsin Avenue, making the main street of the research park into a thoroughfare and transforming the current cul-de-sac on Innovation Drive into a roundabout. —Bridget Fogarty, jsonline.com, 27 Feb. 2026

Lanier displayed childhood photos of Kaley and her family and asked about positive memories from her upbringing in a quiet cul-de-sac in Chico, California. —CBS News, 26 Feb. 2026

The street ends in a cul-de-sac by redwood trees. —Alison Weinflash, Rolling Stone, 21 Feb. 2026

Word History

Etymology

French, literally, bottom of the bag

First Known Use

1738, in the meaning defined at sense 1

Rhymes for cul-de-sac

• almanac
• camelback
• cardiac
• carryback
• cluniac
• diamondback
• lumberjack
• maniac
• paperback
• piggyback
• quarterback
• saddleback

Kids Definition

cul-de-sac

noun

ˈkəl-di-ˌsak 

ˈku̇l-

plural cul-de-sacs

ˈkəl-di-ˌsaks, 

ˈku̇l-

also culs-de-sac

ˈkəl(z)-di-ˌsak, 

ˈku̇l(z)-

: a street or passage closed at one end

Medical Definition

cul-de-sac

noun

ˈkəl-di-ˌsak, ˈku̇l-; ˌkəl-di-ˈ, ˌku̇l- 

plural culs-de-sac ˈkəl(z)-, ˈku̇l(z)-, ˌkəl(z)-, ˌku̇l(z)-  also cul-de-sacs -ˌsaks, -ˈsaks 

1

: a blind diverticulum or pouch

also : the closed end of such a pouch

2

: pouch of douglas