intersection

noun

in·​ter·​sec·​tion ˌin-tər-ˈsek-shən 

 especially in sense 1  ˈin-tər-ˌsek-

1

: a place or area where two or more things (such as streets) intersect

2

: the act or process of intersecting

3

a

: the set of elements common to two or more sets

especially : the set of points common to two geometric configurations

b

: the operation of finding the intersection of two or more sets

Illustration of intersection

• a intersection 3a

Synonyms

• carrefour
• corner
• crossing
• crossroad
• crossway(s)
• junction

Examples of intersection in a Sentence

The accident occurred at a busy intersection.

two possible points of intersection

the intersection of line A and line B

Recent Examples on the Web

The murder mystery exists at the intersection of Elsbeth and Shondaland’s other White House show, Scandal, combining political intrigue with parlor-room puzzlement—and that parlor happens to be located in the most famous house in America. —Scarlett Harris, Architectural Digest, 3 Apr. 2025

Deputies discovered two women with gunshot wounds after 7 p.m. at the intersection of Caldwell Street and Central Avenue, the L.A. County Sheriff’s Department said in a news release. —Anthony Solorzano, Los Angeles Times, 2 Apr. 2025

His legacy now lives at the intersection of performance, vulnerability, visual storytelling, and reinvention. —Jeetendr Sehdev, Forbes.com, 2 Apr. 2025

The reasoning keeps in line with other cases at the intersection of the First Amendment and casting choices. —Winston Cho, HollywoodReporter, 1 Apr. 2025

Word History

First Known Use

1559, in the meaning defined at sense 2

Rhymes for intersection

• circumspection
• disaffection
• disconnection
• disinfection
• dorsiflexion
• imperfection
• indirection
• insurrection
• intellection
• interjection
• introjection
• introspection

Kids Definition

intersection

noun

in·​ter·​sec·​tion ˌint-ər-ˈsek-shən 

1

: the act or process of intersecting

2

: the place or point where two or more things and especially streets intersect

a busy intersection

3

: the set of mathematical elements shared by two or more sets

especially : the set of points shared by two geometric figures