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
Kari Traylor, JSTOR Daily, 30 Apr. 2026
Texas, Florida and Tennessee all ranked in the top five for net interstate migration of federal income tax filers in 2023, while the higher-tax states of California, New York and New Jersey ranked near the bottom, according to an analysis of IRS data by the nonprofit Tax Foundation.
—David A. Lieb, Fortune, 29 Apr. 2026
Angie Dimichele, Sun Sentinel, 24 Apr. 2026
This year, Cline secured an additional $17 million to widen an interstate in western Virginia.
—Lauren Green, The Washington Examiner, 19 Apr. 2026
See All Example Sentences for interstate
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Adjective
Following these findings, the United States Food and Drug Administration (FDA) banned the use of sassafras oil and safrole as food additives in 1960 and later prohibited the interstate shipment of sassafras bark for tea, effectively removing the plant from commercial products.
—Kari Traylor, JSTOR Daily, 30 Apr. 2026
Texas, Florida and Tennessee all ranked in the top five for net interstate migration of federal income tax filers in 2023, while the higher-tax states of California, New York and New Jersey ranked near the bottom, according to an analysis of IRS data by the nonprofit Tax Foundation.
—David A. Lieb, Fortune, 29 Apr. 2026
Noun
The pilot descended in a shallow left turn and moved with the flow of traffic while traveling in the lanes of the interstate.
—Angie Dimichele, Sun Sentinel, 24 Apr. 2026
This year, Cline secured an additional $17 million to widen an interstate in western Virginia.
—Lauren Green, The Washington Examiner, 19 Apr. 2026
See All Example Sentences for interstate
Cite this Entry
“Interstate.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/interstate. Accessed 1 May. 2026.
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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