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interstate highway


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The entry for "interstate" is displayed below.

Also see: highway

WordReference Random House Learner's Dictionary of American English © 2026
in•ter•state /adj. ˌɪntɚˈsteɪt; n. ˈɪntɚˌsteɪt/USA pronunciation   adj. [before a noun]
  1. connecting or involving different states:an interstate highway; interstate trade.

n. [countable]
  1. Transport[sometimes: Interstate] a highway that is part of a nationwide U.S. system of highways connecting major cities.
See -stat-.
WordReference Random House Unabridged Dictionary of American English © 2026
in•ter•state  (adj. in′tər stāt′;n. in′tər stāt′),USA pronunciation adj. 
  1. connecting or involving different states:interstate commerce.

n. 
  1. Transporta highway serving two or more states.
  2. Transport(sometimes cap.) a highway that is part of the nationwide U.S. Interstate Highway System.
  • inter- + state 1835–45, American.

Collins Concise English Dictionary © HarperCollins Publishers::
interstate /ˈɪntəˌsteɪt/ adj
  1. between or involving two or more of the states of the US, Australia, etc
 n
  1. US a highway that runs between states
'interstate highway' also found in these entries (note: many are not synonyms or translations):
on-ramp - I, i - interstate - Interstate Highway System

Forum discussions with the word(s) "interstate highway" in the title:


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