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 most promising opportunities often lie at the intersection of significant pain and institutional blindness—where inefficiency has been accepted as inevitable. —Allbusiness, Forbes.com, 13 June 2025

About 20 seconds later, the fleeing vehicle lost control at the intersection of East 21st Street and 12th Avenue and slammed into the fire hydrant, the footage showed. —Jakob Rodgers, Mercury News, 12 June 2025

According to the DeKalb County Police Department, officers arrived at the scene around 3:37 a.m. on Jan. 21, 2021, and found Rooks suffering from multiple gunshot wounds at the intersection of Deep Shoals Circle and Corners Crossing in the Panthersville area. —Angel Saunders, People.com, 12 June 2025

The 800-plus-acre property sits near the intersection of County Road 914 and Alsbury Boulevard, less than two miles from the Chisholm Trail Parkway in west Burleson. —Matthew Adams, Fort Worth Star-Telegram, 12 June 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