interstate

1 of 2

adjective

in·​ter·​state ˌin-tər-ˈstāt 

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

interstate commerce

interstate

2 of 2

noun

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

Adjective

That definition appears designed to keep participating firms focused on criminal enterprises and out of interstate conflicts. — Jill Goldenziel, Forbes.com, 19 Aug. 2026

The terminal also will have direct access to every major Class I railroad and the interstate highway system. — Glenn Taylor, Footwear News, 19 Aug. 2026

Noun

Mangione entered a guilty plea to one count of interstate stalking resulting in death and one count of stalking through use of interstate facilities resulting in death, according to CNN and The New York Times. — Liam Quinn, PEOPLE, 14 Aug. 2026

Investigators believe the man ran into the interstate and was hit by multiple vehicles. — Dan Raby, CBS News, 12 Aug. 2026

Word History

First Known Use

Adjective

1844, in the meaning defined above

Noun

1968, in the meaning defined above

Rhymes for interstate

• abdicate
• abrogate
• acetate
• activate
• actuate
• aggravate
• agitate
• alginate
• alienate
• allocate
• amputate
• angulate

Kids 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