in·ter·state
ˌin-tər-ˈstāt 
: of, connecting, or existing between two or more states especially of the U.S.
interstate commerce
in·ter·state
ˈin-tər-ˌstāt
: 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
Greg Norman, FOXNews.com, 24 Oct. 2025
Rogers pleaded guilty in 2022 to two counts of mailing threatening communications, one count of threats by interstate communications, and two counts of stalking.
—Wesley Stenzel, Entertainment Weekly, 23 Oct. 2025
Chris Kenning, USA Today, 25 Oct. 2025
The Nissan traveled on northbound I-49 at speeds over 120 mph, according to the probable cause statement, before exiting the interstate, when a box containing a silver pistol was thrown from the vehicle.
—Caroline Zimmerman, Kansas City Star, 24 Oct. 2025
See All Example Sentences for interstate
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Adjective
A week later, a grand jury indicted him on additional charges, including one count of arson affecting property used in interstate commerce and one count of timber set afire.
—Greg Norman, FOXNews.com, 24 Oct. 2025
Rogers pleaded guilty in 2022 to two counts of mailing threatening communications, one count of threats by interstate communications, and two counts of stalking.
—Wesley Stenzel, Entertainment Weekly, 23 Oct. 2025
Noun
Today Colma's cemeteries are a peaceful island of calm among busy interstates, San Francisco’s airport and the bustle of Silicon Valley.
—Chris Kenning, USA Today, 25 Oct. 2025
The Nissan traveled on northbound I-49 at speeds over 120 mph, according to the probable cause statement, before exiting the interstate, when a box containing a silver pistol was thrown from the vehicle.
—Caroline Zimmerman, Kansas City Star, 24 Oct. 2025
See All Example Sentences for interstate
Cite this Entry
“Interstate.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/interstate. Accessed 29 Oct. 2025.
Copy CitationKids Definition
interstate
1 of 2 adjective
in·ter·state
ˌint-ər-ˈstāt
: of, connecting, or existing between states especially of the U.S.
interstate highways
interstate
2 of 2 noun
in·ter·state
ˈint-ər-ˌstāt
: an interstate highway
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