in·​ter·​state | \ ˌin-tər-ˈstāt How to pronounce interstate (audio) \

Definition of interstate

 (Entry 1 of 2)

: of, connecting, or existing between two or more states especially of the U.S. interstate commerce


in·​ter·​state | \ ˈin-tər-ˌstāt How to pronounce interstate (audio) \

Definition of interstate (Entry 2 of 2)

: any of a system of expressways connecting most major U.S. cities

called also interstate highway

Examples of interstate in a Sentence

Noun You'll get there quicker if you take the interstate.
Recent Examples on the Web: Adjective But someone does care how they are classified, and that someone is starting to pay more attention to the ever-rising sums of prize money, as well as the uptick in interstate competitions in esports leagues. Washington Post, "For esports players, the tax man cometh," 15 Jan. 2020 The interchange is being redesigned as part of an interstate-widening project. USA TODAY, "MLK, robot unemployment, Python Bowl: News from around our 50 states," 14 Jan. 2020 The person who was hit died at the scene, which is on the eastbound interstate at its exit to southbound Interstate 205. oregonlive, "Pedestrian killed while trying to cross I-84 in NE Portland," 9 Jan. 2020 Environmental groups have also criticized the Ohio River Valley Water and Sanitation Commission, an interstate water quality agency known as ORSANCO, for not being tougher on mercury pollution from power plants and other sources., "Fighting pollution and apathy on the Lower Ohio, it’s not easy being a Southern Indiana Waterkeeper," 6 Jan. 2020 The Whiteland officer discovered the Charger with the keys in it and still running in front of a Speedco Gas Station, just south of the Flying J near the interstate exit. Justin L. Mack, Indianapolis Star, "Police: Dodge Charger driver doing 156 mph said his car was stolen to 'create diversion'," 24 Dec. 2019 Timothy Litzenburg, 37, was charged with interstate intentions to extort, the U.S. Department of Justice said on Tuesday. Khristopher J. Brooks, CBS News, "Roundup suit lawyer accused of $200 million extortion plot," 18 Dec. 2019 He is listed in corporation filings as the director of TBX Express Corp., an interstate freight shipping business with five trucks based on Power Road in Mesa. Robert Anglen, azcentral, "County supervisors may suspend Paul Petersen after adoption scheme arrest," 9 Oct. 2019 One of the older interstate college football rivalries around continues Saturday when McDaniel College hosts Gettysburg in a Centennial Conference clash. Pat Stoetzer,, "College Football: McDaniel looking to keep success going against Gettysburg," 27 Sep. 2019 Recent Examples on the Web: Noun Drivers should be ready for 2-5 inches of snow on the interstate and highways and ice accumulating on surfaces. oregonlive, "Portland metro Wednesday traffic: Icy conditions slow morning commute," 15 Jan. 2020 Flight delays and interstates across the east from Virginia north could see chaos by Saturday. John Bacon, USA TODAY, "From 74 degrees to a foot of snow: Northeast US braces for storms after record-breaking warmth," 15 Jan. 2020 The new signs will be installed on major and limited access highways in Massachusetts, including interstates 90, 93, 95, and 495, and Route 3. John Laidler,, "Mile-based exit signs coming to major highways," 14 Jan. 2020 The county has 100 drivers and 46 trucks that will be working to keep interstates and county roads clear during the storm. Joe Taschler, Milwaukee Journal Sentinel, "Winter storm watch issued as big weekend snowstorm sets a course for southern, eastern Wisconsin," 9 Jan. 2020 This type of snow squall can lead to multi-car wrecks on interstates. Judson Jones And Monica Garrett, CNN, "Snow squalls are moving across the Northeast, including major metros like New York," 8 Jan. 2020 All main-lane interstate traffic traveling north to exit at Holland will be diverted to the next exit at FM 517 and use the U-turn to access the southbound frontage road to Holland. Yvette Orozco, Houston Chronicle, "Watch out for daytime northbound frontage road closure in Texas City," 6 Jan. 2020 Salt Lake City may end up accumulating six to eight inches of snow starting tonight, which will impact travel on interstates 15, 80, and 84 in Utah. Hadley Mendelsohn, House Beautiful, "Here's What to Expect From the First Storm of the Decade," 31 Dec. 2019 According to troopers, Allen's death was the second on central Arkansas interstates Tuesday night. Josh Snyder, Arkansas Online, "Wrong-way crash kills 1, injures 4 on I-30 in North Little Rock, police say," 11 Dec. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'interstate.' 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 interstate


1844, in the meaning defined above


1968, in the meaning defined above

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Time Traveler for interstate

Time Traveler

The first known use of interstate was in 1844

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Statistics for interstate

Last Updated

18 Jan 2020

Cite this Entry

“Interstate.” The Dictionary, Merriam-Webster Inc., Accessed 23 January 2020.

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More Definitions for interstate


How to pronounce interstate (audio)

English Language Learners Definition of interstate

 (Entry 1 of 2)

: relating to or connecting different states : existing or occurring between states especially in the U.S.


How to pronounce interstate (audio)

English Language Learners Definition of interstate (Entry 2 of 2)

US : a major highway that connects two or more states : an interstate highway


in·​ter·​state | \ ˌin-tər-ˈstāt How to pronounce interstate (audio) \

Kids Definition of interstate

: existing or occurring between two or more states an interstate highway

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Rhyming Dictionary: Words that rhyme with interstate

Spanish Central: Translation of interstate

Nglish: Translation of interstate for Spanish Speakers

Comments on interstate

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


out of the ordinary or unreasonable

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