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superhighway

[ soo-per-hahy-wey, soo-per-hahy-wey ]
/ ˈsu pərˌhaɪ weɪ, ˌsu pərˈhaɪˌweɪ /
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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.
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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. 2023

How to use superhighway in a sentence

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
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