Part of speech:
Of or relating to the domestic affairs of a nation, group, or business.
Of, relating to, or located on the inside; inner.
Of or relating to a country's internal affairs:
one of the system of highways linking major cities in the 48 contiguous states of the United States
Find another word for interstate. In this page you can discover 8 synonyms, antonyms, idiomatic expressions, and related words for interstate, like: internal, interterritorial, between states, interior, domestic, regional, interstate highway and intrastate.