in·​ter·​sect | \ˌin-tər-ˈsekt \
intersected; intersecting; intersects

Definition of intersect 

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

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Synonyms for intersect


bisect, cross, cut

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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.
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Recent Examples on the Web

Their paths would eventually intersect, and the two would form the duo Muscadine Bloodline – which is making a mark in Music City with pristine harmonies and upbeat delivery. Chuck Dauphin, Billboard, "Muscadine Bloodline on Working With Luke Laird & Why 'The Heartbeat Starts Pumping on the Road'," 10 July 2018 Minutes later, their lives would intersect at 1:48 a.m. on Dec. 7, at the intersection of Fairway Drive and Miami Lakes Drive. David Ovalle, miamiherald, "Video shows Miami lawyer accused of fatal crash after night of hard drinking, cops say," 26 June 2018 The diagram resembles a corporate flowchart, with lines branching out and intersecting, but all of them flowing out of two names: the Columbine killers. Anchorage Daily News, "For 'Columbiners,' school shootings have a deadly allure," 30 May 2018 The investigation encompassed areas along Independence Avenue where the road intersects with Blue Ridge Boulevard and nearby Stark Avenue. Ian Cummings, kansascity, "Police investigate shooting that left one person injured in Independence | The Kansas City Star," 16 Apr. 2018 Meanwhile, Mars is moving too, so when the Roadster first intersects its orbit this July, the planet itself will already be millions of miles away. David Z. Morris, Fortune, "How To Track Elon Musk's Roadster On Its Journey Towards Mars," 18 Feb. 2018 That said, the purely musical side of things is quite rich, the four string instruments separated spatially, their lines interacting and intersecting intricately. Tim Smith,, "BSO New Music Festival filled with eclectic works, electric performances," 26 June 2018 The massive depressions have drained the pond, pulled water out of another one nearby and forced the evacuation of eight nearby homes, with some overlapping and intersecting to become larger. Allie Raffa, Fox News, "Sinkholes leave Florida neighborhood looking like cratered wasteland," 10 May 2018 She is clearly fascinated by the interplay of hostilities here, by the ways in which individual resentments can intersect with a broader, cultural and historical sense of indignation. Justin Chang,, "Valeska Grisebach's 'Western' is a broodingly intelligent drama of culture clash," 19 Apr. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'intersect.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of intersect

1615, in the meaning defined at transitive sense

History and Etymology for intersect

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

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Statistics for intersect

Last Updated

7 Nov 2018

Look-up Popularity

Time Traveler for intersect

The first known use of intersect was in 1615

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More Definitions for intersect



English Language Learners Definition of intersect

: to divide (something) by passing through or across it

: to meet and cross at one or more points

: to share some common area


in·​ter·​sect | \ˌin-tər-ˈsekt \
intersected; intersecting

Kids Definition of intersect

: to cut or divide by passing through or across : cross One line intersects the other.

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Comments on intersect

What made you want to look up intersect? Please tell us where you read or heard it (including the quote, if possible).


something that serves to warn or remind

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