intersect

verb

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

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.
Tasha Mousseau, vice president of the Wichita and Affiliated Tribes, told KOSU there is existing food insecurity in rural communities and tribal nations, which intersects with the Wichita and Affiliated Tribes. The Npr Network, NPR, 4 Nov. 2025 In these spaces, parallel lines might eventually intersect. Quanta Magazine, 3 Nov. 2025 These discoveries underscore the enduring historical, geological, and cultural legacy of the cave as a sacred human site where religious practices intersected with domesticity across time. Maria Mocerino, Interesting Engineering, 2 Nov. 2025 It is designed to identify knowledge gaps and suggest connections, recognizing how seemingly unrelated fields, like marine biology and computing, might intersect in ways that lead to new solutions. Connie Etemadi, USA Today, 28 Oct. 2025 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 10 Nov. 2025.

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

Last Updated: - Updated example sentences
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