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

Police said Workman-Duffy had been crossing in a crosswalk on a green light at the intersection of Longview Road and Food Lane on the morning she was hit. —Nathan Pilling, Kansas City Star, 7 Nov. 2025

Work Ties Álvarez’s job put her at the intersection of several players in the complex story. —Antonio María Delgado, Miami Herald, 7 Nov. 2025

Big Pete is near the intersection of River District Drive and Crescent River Road. —Khadejeh Nikouyeh, Charlotte Observer, 7 Nov. 2025

Runners will finish near the intersection of Washington Street and Capitol Avenue. —Ryan Murphy, IndyStar, 7 Nov. 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