[ in-truh-steyt ]
/ ˌɪn trəˈsteɪt /


existing or occurring within the boundaries of a state, especially of the United States: intrastate commerce.
Compare interstate.

Origin of intrastate

An Americanism dating back to 1900–05; intra- + state

Can be confused

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

Examples from the Web for intrastate

  • And this despite the fact that the vast majority of freight traffic is interstate, rather than intrastate.

    The Railroad Problem|Edward Hungerford
  • Then, the explanation is—although the classifications changed from interstate to intrastate, it was the same claim.

    Warren Commission (10 of 26): Hearings Vol. X (of 15)|The President's Commission on the Assassination of President Kennedy

British Dictionary definitions for intrastate


/ (ˌɪntrəˈsteɪt) /


mainly US of, relating to, or confined within a single state, esp a state of the US

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