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superhighway

[ soo-per-hahy-wey, soo-per-hahy-wey ]
/ ˈsu pərˌhaɪ weɪ, ˌsu pərˈhaɪˌweɪ /
SEE SYNONYMS FOR superhighway ON THESAURUS.COM

noun

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.
any very fast route or course.

Words related to superhighway

roadway, thoroughfare, viaduct, freeway, subway, turnpike, artery, expressway, pathway, course, street, terrace, avenue, boulevard, passage, way, crossroad, highway, direction, thruway

Words nearby superhighway

superhero, superhet, superheterodyne, superheterodyne receiver, superhigh frequency, superhighway, superhive, superhuman, superhumeral, superi, superimpose

Origin of superhighway

First recorded in 1925–30; super- + highway
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Examples from the Web for superhighway

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

    The Space Pioneers|Carey Rockwell

  • 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

British Dictionary definitions for superhighway

superhighway
/ (ˈsuːpəˌhaɪweɪ) /

noun

mainly US a fast dual-carriageway road
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