Interstate Synonyms and Antonyms

ĭntər-stāt
Involving and relating to the mutual relations of states especially of the United States
(Adjective)
Synonyms:
  1. interterritorial
  2. between states
  3. internal
  4. interior
  5. domestic
Antonyms:
  1. intrastate
One of the system of highways linking major cities in the 48 contiguous states of the United States
(Noun)
Synonyms:
  1. interstate highway