from The American Heritage® Dictionary of the English Language, 5th Edition.

  • adjective Involving, existing between, or connecting two or more states.
  • noun One of a national system of expressways connecting major population centers in the United States.

from The Century Dictionary.

  • Existing or taking place between different states, or persons in different states; especially, carried on between the States of the American Union, or by persons in one State with persons in another.

from the GNU version of the Collaborative International Dictionary of English.

  • adjective Pertaining to the mutual relations of States; existing between, or including, different States.
  • noun An interstate highway, part of the United States Interstate Highway system.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • adjective US of, or relating to two or more states
  • adjective US crossing states (usually provincial state, but also e.g. multinational sense).
  • noun US A freeway that is part of the Interstate Highway System

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun one of the system of highways linking major cities in the 48 contiguous states of the United States
  • adjective involving and relating to the mutual relations of states especially of the United States


Sorry, no etymologies found.


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