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.
But faculty say the fields are broad, intersecting with health, disability studies, literature, education, information studies and public policy. Lily Kepner, Austin American Statesman, 22 Feb. 2026 This tells us that belonging doesn’t announce itself but lives in the ways our lives intersect. Literary Hub, 20 Feb. 2026 Despite the large swath of the Midcontinent Rift through Iowa, Clark said the state geological survey, housed at the University of Iowa, has only 24 borehole samples that were drilled deep enough, and in the right location, to intersect the basalt of the Midcontinent Rift. Cami Koons, Iowa Capital Dispatch, 17 Feb. 2026 Passengers would travel in autonomous pods on a dedicated path that doesn’t intersect with regular traffic. Skyler Swisher, The Orlando Sentinel, 15 Feb. 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 27 Feb. 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

More from Merriam-Webster on intersect

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