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 incident occurred just before 1:30 p.m. on Sunday at the intersection of 13th Street and Pearl Street. —Leah Sarnoff, ABC News, 2 June 2025

Turning to Tim: Tim brings vast experience leading high-impact commercial organizations at the intersection of media, technology, and consumer behavior. —Alex Weprin, HollywoodReporter, 2 June 2025

Broadly, Dropout shows are nerdy and lighthearted, living at the intersection of games and improv comedy. —Jesse David Fox, Vulture, 2 June 2025

One adult on the sidewalk and one in a vehicle at the intersection became involved in a disturbance that turned physical. —Jackson Thompson, FOXNews.com, 31 May 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