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

Now, Fister, 30, of Bonita Springs, has been sentenced to two years and six months in prison on charges of interstate transmission of threats and stalking, the U.S. Attorney’s Office for the Middle District of Florida said in a Feb. 18 news release. —Julia Marnin, Miami Herald, 19 Feb. 2025

Finding a deal on transmission policy could also again be a challenge again, with Democrats pushing to give FERC more authority over siting and permitting to treat them more like interstate natural gas pipelines. —Nick Sobczyk, Axios, 19 Feb. 2025

Noun

A number of crashes have occurred on interstates, according to a tracker on Nashville.gov. —Christopher Cann, USA TODAY, 19 Feb. 2025

Federal investigators are probing a deadly pileup inside a Wyoming interstate tunnel that will shut down part of a core coast-to-coast roadway for days, officials said Saturday. —Erick Mendoza, NBC News, 15 Feb. 2025

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
• adsorbate
• aggravate
• agitate
• alginate
• alienate
• allocate
• amputate

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