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
Leo Bertucci, Louisville Courier Journal, 10 Oct. 2025
Consultants acknowledged parts of the site already exceed Matthews’ 60-decibel limit because of nearby interstate traffic, wind and train horns.
—Nora O'Neill, Charlotte Observer, 3 Oct. 2025
Will Sabel Courtney, Robb Report, 10 Oct. 2025
The escapees, who ranged in age from their teens to early 40s, broke out of the Orleans Parish Justice Center in the early hours of May 16 by climbing through a hole in the wall behind a toilet, scaling a fence and crossing an interstate.
—Rachel Treisman, NPR, 9 Oct. 2025
See All Example Sentences for interstate
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Adjective
Exantus was previously permitted to be supervised in Florida upon his release from prison in accordance with an interstate compact, Hall said.
—Leo Bertucci, Louisville Courier Journal, 10 Oct. 2025
Consultants acknowledged parts of the site already exceed Matthews’ 60-decibel limit because of nearby interstate traffic, wind and train horns.
—Nora O'Neill, Charlotte Observer, 3 Oct. 2025
Noun
The 1950s and 1960s would prove to be the start of the glory days of the luxury coupe in America, with the nation’s economy growing as fast as the ribbons of brand-new interstate being paved from sea to shining sea.
—Will Sabel Courtney, Robb Report, 10 Oct. 2025
The escapees, who ranged in age from their teens to early 40s, broke out of the Orleans Parish Justice Center in the early hours of May 16 by climbing through a hole in the wall behind a toilet, scaling a fence and crossing an interstate.
—Rachel Treisman, NPR, 9 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 12 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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