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superhighway

[soo-per-hahy-wey, soo-per-hahy-wey]
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noun
  1. a highway designed for travel at high speeds, having more than one lane for each direction of traffic, a safety strip dividing the two directions, and cloverleaves to route the traffic on and off the highway.Compare expressway.
  2. any very fast route or course.
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Origin of superhighway

First recorded in 1925–30; super- + highway
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words

roadwaythoroughfareviaductfreewaysubwayturnpikearteryexpresswaypathwaycoursestreetterraceavenueboulevardpassagewaycrossroadhighwaydirectionthruway

Examples from the Web for superhighway

Historical Examples

  • As they slid along the superhighway toward the first and largest of the Venusian cities, Astro pointed out the sights.

    The Revolt on Venus

    Carey Rockwell

  • A few moments later Strong was speeding along the superhighway back toward the city.

    The Space Pioneers

    Carey Rockwell


British Dictionary definitions for superhighway

superhighway

noun
  1. mainly US a fast dual-carriageway road
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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

Word Origin and History for superhighway

n.

1925, from super- + highway.

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Online Etymology Dictionary, © 2010 Douglas Harper