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
Watters said his client is married with kids and owns an interstate trucking company. — Rocco Parascandola, New York Daily News, 22 Oct. 2026 Portions of Interstate 70 replaced parts of Old Highway 6 as the interstate system was constructed across Colorado. — Jennifer McRae, CBS News, 21 Oct. 2026
Noun
The renderings show green lawns, walking paths, and gathering places above portions of the interstate. — Jamal Goss, CBS News, 14 Oct. 2026 The driver got off the interstate at Atlantic Avenue and continued west before stopping on Jog Road between Grand Isle Drive and Woolbright Road, PBSO said. — Grace Bellinghausen, Sun Sentinel, 13 Oct. 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

Browse Nearby Words

Cite this Entry

“Interstate.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/interstate. Accessed 24 Oct. 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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