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

: blind alley

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

This year’s 14 names come from many of the one-liners used in a goofy Super Bowl LIX beer ad, set in a cul-de-sac, that ran last February. —Charlotte Observer, 24 Oct. 2025

On a cul-de-sac called Hot Springs Court, however, four dwellings somehow remained standing. —Ingfei Chen, New Yorker, 22 Oct. 2025

Throughout the movie, the residents of the most spirited cul-de-sac pay homage to both Halloweentown, but also to many classic horror movies. —Rebecca Angel Baer, Southern Living, 11 Oct. 2025

Their world is upended when a new neighbor moves in across the street, bringing old secrets of the cul-de-sac to light, and new deadly threats shatter the idylic illusion of their quiet little neighborhood. —Jesse Whittock, Deadline, 8 Oct. 2025

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