interstate

[ adjective in-ter-steyt; noun in-ter-steyt ]
/ adjective ˌɪn tərˈsteɪt; noun ˈɪn tərˌsteɪt /

adjective

connecting or involving different states: interstate commerce.

noun

a highway serving two or more states.
(sometimes initial capital letter) a highway that is part of the nationwide U.S. Interstate Highway System.

Origin of interstate

An Americanism dating back to 1835–45; inter- + state

Related forms

non·in·ter·state, adjective

Can be confused

interstate intestate intrastate
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for interstate

British Dictionary definitions for interstate

interstate

/ (ˈɪntəˌsteɪt) /

adjective

between or involving two or more of the states of the US, Australia, etc

adverb

Australian to or into another state

verb

US a motorway crossing between states
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012