interstate

1 of 2

adjective

in·​ter·​state ˌin-tər-ˈstāt How to pronounce interstate (audio)
: of, connecting, or existing between two or more states especially of the U.S.
interstate commerce

interstate

2 of 2

noun

in·​ter·​state ˈin-tər-ˌstāt How to pronounce interstate (audio)
: 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
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.
Adjective
As Carter’s criminal history includes a federal conviction in 2013 for conspiracy to distribute, and to possess with intent to distribute, crack cocaine, he is not permitted under federal law to possess a firearm or ammunition that has moved in interstate or foreign commerce. Staff Report, Hartford Courant, 16 Aug. 2025 Acting United States Attorney for the District of Rhode Island Sara Miron Bloom announced Wednesday that 37-year-old Carl D. Montague faces one count of threats against the president and one count of interstate communications of threats. Robert Alexander, MSNBC Newsweek, 14 Aug. 2025
Noun
These routes originated at a facility on one side of an Interstate and made deliveries to larger clinics located only a couple of hundred yards away on the other side of an interstate. Steve Banker, Forbes.com, 7 Aug. 2025 On the opposite side of the interstate, the large tractor-trailer could be seen with its left side bent outward. Kimberlee Speakman, People.com, 2 Aug. 2025 See All Example Sentences for interstate

Word History

First Known Use

Adjective

1844, in the meaning defined above

Noun

1968, in the meaning defined above

Time Traveler
The first known use of interstate was in 1844

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Cite this Entry

“Interstate.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/interstate. Accessed 25 Aug. 2025.

Kids Definition

interstate

1 of 2 adjective
in·​ter·​state ˌint-ər-ˈstāt How to pronounce interstate (audio)
: of, connecting, or existing between states especially of the U.S.
interstate highways

interstate

2 of 2 noun
in·​ter·​state ˈint-ər-ˌstāt How to pronounce interstate (audio)
: an interstate highway

More from Merriam-Webster on interstate

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