interstate

I UK [ˌɪntə(r)ˈsteɪt] / US [ˈɪntərˌsteɪt] adjective [only before noun]

existing or taking place between states, especially between the states in the US or Australia

interstate commerce

II UK [ˈɪntə(r)ˌsteɪt] / US [ˈɪntərˌsteɪt] noun [countable]
Word forms "interstate":
singular interstate plural interstates

in the US, a wide road with several lines of traffic going in each direction, built for fast travel over long distances as part of a national road system

III UK [ˈɪntə(r)ˌsteɪt] / US [ˈɪntərˌsteɪt] adverb Australian

from, to, or in other states of Australia