Synonyms of interstate
: of, connecting, or existing between two or more states especially of the U.S.
interstate commerce

interstate

2 of 2

noun

: 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
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Adjective
Officials are hoping to build a park on land that became available after the removal of downtown highway ramps during the state's 30 Crossing interstate construction project. Joseph Flaherty, Arkansas Online, 22 July 2026 Federal authorities ultimately obtained an unlawful flight warrant, alleging Fischer had traveled in interstate or foreign commerce to avoid prosecution. Greg Wehner, FOXNews.com, 21 July 2026
Noun
Toyota understands that most buyers simply want smooth, effortless acceleration merging onto the interstate or passing slower traffic. New Atlas, 20 July 2026 Ceniceros grew up in Chicago’s Brighton Park neighborhood between an intermodal facility and the interstate. Christiana Freitag, Chicago Tribune, 20 July 2026 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 24 Jul. 2026.

Kids Definition

interstate

1 of 2 adjective
: of, connecting, or existing between states especially of the U.S.
interstate highways

interstate

2 of 2 noun
: an interstate highway

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