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
Rosemary Westwood, NPR, 19 Mar. 2025
The dust caused interstate roads to close with at least one crash, according to the New Mexico Department of Transportation.
—Mary Gilbert, CNN, 18 Mar. 2025
Jaime Moore-Carrillo, Fort Worth Star-Telegram, 8 Mar. 2025
As of Tuesday morning, crews spread 1.8 million gallons of brine on hundreds of miles of interstates, highways and secondary roads, Stein said.
—Joe Marusak and, Charlotte Observer, 20 Feb. 2025
See All Example Sentences for interstate
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Adjective
But these out-of-state doctors could end up in the crosshairs of a potential legal clash over the interstate practice of medicine, especially when state laws disagree on reproductive rights.
—Rosemary Westwood, NPR, 19 Mar. 2025
The dust caused interstate roads to close with at least one crash, according to the New Mexico Department of Transportation.
—Mary Gilbert, CNN, 18 Mar. 2025
Noun
The Bentley Road bridge is one component of a $540 million overhaul of the intersecting interstates, an undertaking designed to accommodate population swells on Fort Worth’s western outskirts.
—Jaime Moore-Carrillo, Fort Worth Star-Telegram, 8 Mar. 2025
As of Tuesday morning, crews spread 1.8 million gallons of brine on hundreds of miles of interstates, highways and secondary roads, Stein said.
—Joe Marusak and, Charlotte Observer, 20 Feb. 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 24 Mar. 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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