superhighway

[soo-per-hahy-wey, soo-per-hahy-wey]

SEE MORE 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.

Origin of superhighway

First recorded in 1925–30; super- + highway

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Related Words for superhighway

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

Examples from the Web for superhighway

Historical Examples of superhighway

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

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

Word Origin and History for superhighway

1925, from super- + highway.