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 intersection of toxic masculinity (i.e., loss of their virginity is a rite of passage into manhood) and adultification (i.e., viewing and treating Black boys as men) perpetuates early sexualization and hypersexualization of Black boys. —Essence, 22 Mar. 2025

Jason O'Bryan Jason O'Bryan has set up a professional life at the intersection of writing and cocktails. —Jason O'Bryan, Robb Report, 22 Mar. 2025

The sound of modern South Asia Devika’s music has always existed at the intersection of tradition and innovation. —Mandeep Rai, Forbes, 21 Mar. 2025

Noble crashed the third vehicle at that intersection, then stole a fourth vehicle, police said. —Lillie Davidson, Fort Worth Star-Telegram, 21 Mar. 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