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 of intersection

• junction
• corner
• crossroad
• crossing

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

Prose poetry, the lyric essay and other hybrid forms of literature play at the intersection of genre, which usually defines these separate categories of writing. — Amy Cannon, The Conversation, 18 Sep. 2026

An outbound Union Pacific Northwest train to Harvard struck a vehicle near the intersection of Hart Road and Northwest Highway around noon, according to Metra spokesperson Martha Hill. — Allison Kiehl, Chicago Tribune, 18 Sep. 2026

In new work focused on Los Angeles, the artist explores the intersection between media, spectacle, architecture and the body ahead of the city hosting the 2028 Olympic Games. — Jessica Gelt, Los Angeles Times, 18 Sep. 2026

Abdalla founded Orange Crush in 2020, five years after starting Cultural Counsel, to explore the intersection of art and wrestling. — Tessa Solomon, ARTnews.com, 17 Sep. 2026

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