in·​ter·​state | \ ˌin-tər-ˈstāt \

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 \

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


You'll get there quicker if you take the interstate.

Recent Examples on the Web: Adjective

Stovall and Hunter Hanks, both 21, were on their way home from Florida when their truck collided with an interstate bridge support outside of Nashville. Maria Carter, Woman's Day, "Photo Captures The Powerful Moment Between Couple Who Survived Near-Fatal Crash," 9 Jan. 2016 Coincidentally, Don was doing some interstate meandering of his own. Amelia Mularz, Harper's BAZAAR, "Planning the Great American Road Trip," 15 June 2015 America as a whole can thank the Founders for creating a federalist system that allows the economic and political safety valve of interstate policy competition. The Editorial Board, WSJ, "High-Tax State Exodus," 28 Dec. 2018 The Internet is inherently an interstate information service. Makena Kelly, The Verge, "Broadband industry groups sue California over net neutrality bill," 3 Oct. 2018 He was arrested there earlier Thursday and was charged with using interstate and foreign commerce to transmit a threat to injure another person. Fox News, "The Latest: Man accused of social media threats released," 9 Aug. 2018 This is the most challenging portion of the new freeway because of its proximity to the busy interstate. Laura Gómez, azcentral, "South Mountain Freeway construction: Are we almost there?," 21 June 2018 State troopers saw bags of marijuana 'literally falling onto' the interstateAdvertisement Nebraska state troopers find 122 pounds of marijuana after a package filled with it was reported on the side of Interstate 80. Kaitlyn Schwers, kansascity, "10 pounds of pot was sent to 'wrong address.' Indiana cops have message for the owner," 21 June 2018 The law prohibits robbery, attempted robbery or extortion that affects interstate or foreign commerce. Johnny Diaz,, "Feds clamping down on criminals who target Miami Beach tourists," 14 June 2018

Recent Examples on the Web: Noun

Li and Mills are charged with two counts of conspiracy, two counts of interstate racketeering and four counts of money laundering. Max Londberg, kansascity, "Six Kansas massage parlors were fronts for prostitution, generated millions, feds say," 5 June 2018 The restaurant is nestled at Auburn Avenue and W. 14th Street, tucked in the northeast corner of interstates 71 and 490. Marc Bona,, "Trio restaurant to move into Bac Asian space in Tremont," 14 Mar. 2018 Law-enforcement officials closed the interstate, forcing detours on the busiest highway link between California and Oregon. Jim Carlton, WSJ, "California Wildfire Shuts Down 50-Mile Stretch of Busy Interstate to Oregon," 6 Sep. 2018 The claim for $100 million and 245 days had not been previously disclosed by state officials or by the joint venture rebuilding the interstate, I-4 Mobility Partners. Kevin Spear,, "I-4 overhaul cost, schedule troubles get congressional scrutiny," 13 July 2018 The Detroit area boasts two major testing sites for autonomous vehicles, sprawling compounds of interstates, guardrails, and mock pedestrians and bicyclists that companies and researchers use to test their technology. New York Times, "Trump’s Trade War With China Pierces the Heart of Michigan," 12 July 2018 The delays are along the interstate, as some lanes have been blocked. Dana Hedgpeth, Washington Post, "Truck dumps load of sand on roadway in Greenbelt, Md.," 11 July 2018 Like a head-on collision on the interstate, a crash in space can all but obliterate one or both objects. Nola Taylor Redd,, "Rubber-Ducky Comets May Have Taken a Violent Beating," 3 May 2018 More like dumb luck: A trooper spotted a Freightliner tractor-trailer weaving April 26 onto the shoulder along the interstate and switched on his emergency lights, according to a probable-cause affidavit. Andrew Sullivan, Daily Intelligencer, "Is the World Done With Liberal Democracy?," 1 June 2018

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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Statistics for interstate

Last Updated

18 Jan 2019

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Time Traveler for interstate

The first known use of interstate was in 1844

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More Definitions for interstate



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.



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

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


in·​ter·​state | \ ˌin-tər-ˈstāt \

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

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