Interstate

/ˈɪntərˌsteɪt/

Meaning & Definition

noun
A highway that connects more than one state.
We drove along the interstate to reach our destination quickly.
An agreement or contract between two or more states.
The governors signed an interstate compact to manage water resources.
adjective
Relating to or involving two or more states, especially in the context of transportation.
The interstate highway system facilitates travel between states.
Pertaining to trade or activities that occur across state lines.
Interstate commerce is regulated by federal law.

Etymology

From inter- meaning 'between' and state.

Common Phrases and Expressions

interstate highway:
A highway that connects multiple states.
interstate commerce:
Trade and business transactions that cross state lines.
interstate travel:
Travel that occurs between different states.

Related Words

Slang Meanings

I-xx
People often refer to interstates by their number, like I-95.
The freeway
We hit the freeway to get out of town fast.