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Definition of intersection
intersection
/ˌɪntɚˈsɛkʃən/
in · ter · sec · tion
Adverb:intersectionally
•Plural:intersections
•Adjective:intersectional
intersection Lexical Profile
CEFR
B1
Grade
5
Tier
2
Usage
Top 5k
intersection Game Scores & Validity
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Wordle Guess
• noun
1
A place or area where two or more roads, streets, or paths meet or cross one another.
Example
"The driver slowed down as he approached the busy intersection and waited for the traffic light to turn green."
2
A point or area where different concepts, cultures, or systems meet, overlap, and interact.
Example
"Her doctoral research explores the intersection of artificial intelligence and human psychology."
3
In mathematics, the set of elements that are common to two or more given sets, or the exact point where two lines or surfaces meet.
Example
"The intersection of set A and set B contains only the numbers that appear in both groups."
Synonyms
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View all antonyms for intersection• Rhymes for intersection
Word Origin & Etymology
From Latin 'intersectio', derived from 'intersecare' (to cut between), which combines 'inter-' (between) and 'secare' (to cut).
Cite this Entry
Wordmom. (2026). Definition of Intersection. In Wordmom Dictionary. Retrieved Oct 11, 2026, from https://wordmom.com/dictionary/intersection