intersect

verb

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

transitive verb

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

intransitive verb

1
: to meet and cross at a point
lines intersecting at right angles
2
: to share a common area : overlap
where morality and self-interest intersect

Synonyms of 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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The biggest swing the film makes story-wise is the running side plot about the horde of Buzzes that doesn’t intersect with the main story until the third act. Wilson Chapman, IndieWire, 22 June 2026 Saturday's incident appears to closely mirror a 2023 incident when a JetBlue plane was landing at Boston on a runway that intersected one where a private jet was beginning its takeoff roll. Zach Wichter, USA Today, 22 June 2026 Songwriter Diane Warren, 69, whose career has long intersected with Davis through countless recordings and collaborations, also shared a deeply personal tribute. Lily Brown, PEOPLE, 22 June 2026 The speech reflected a long-running tradition in Black churches across Georgia and the South, where faith and civic engagement have often intersected. Zachary Bynum, CBS News, 21 June 2026 See All Example Sentences for intersect

Word History

Etymology

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

Browse Nearby Words

Cite this Entry

“Intersect.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/intersect. Accessed 26 Jun. 2026.

Kids Definition

intersect

verb
in·​ter·​sect ˌint-ər-ˈsekt How to pronounce intersect (audio)
1
: to divide by passing through or across : cross
one line intersecting another
2
: to meet and cross at one or more points
overlapping circles intersect at two points

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