in·​ter·​sect ˌin-tər-ˈsekt How to pronounce intersect (audio)
intersected; intersecting; intersects

transitive verb

: to pierce or divide by passing through or across : cross
a comet intersecting earth's orbit
one line intersects another

intransitive verb

: to meet and cross at a point
lines intersecting at right angles
: to share a common area : overlap
where morality and self-interest intersect

Examples of intersect in a Sentence

A dry stream bed intersects the trail in several places. Line A intersects with line B. The two roads intersect at the edge of town.
Recent Examples on the Web Currently, Powerhouse patrons experience long lines for both its few bathrooms and the current small bar; sometimes those lines intersect in unhelpful ways. Jim Higgins, Journal Sentinel, 8 May 2024 In 2020, James Sulzer’s personal and professional lives suddenly intersected after his then 4-year-old daughter sustained a devastating injury. Stat Staff, STAT, 8 May 2024 See all Example Sentences for intersect 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'intersect.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History


Latin intersectus, past participle of intersecare, from inter- + secare to cut — more at saw

First Known Use

1615, in the meaning defined at transitive sense

Time Traveler
The first known use of intersect was in 1615

Dictionary Entries Near intersect

Cite this Entry

“Intersect.” Dictionary, Merriam-Webster, Accessed 24 May. 2024.

Kids Definition


in·​ter·​sect ˌint-ər-ˈsekt How to pronounce intersect (audio)
: to divide by passing through or across : cross
one line intersecting another
: to meet and cross at one or more points
overlapping circles intersect at two points

More from Merriam-Webster on intersect

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