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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.

QUIZZES

QUIZ YOURSELF ON “THEIR,” “THERE,” AND “THEY’RE”

Are you aware how often people swap around “their,” “there,” and “they’re”? Prove you have more than a fair grasp over these commonly confused words.
Question 1 of 7
Which one of these commonly confused words can act as an adverb or a pronoun?

Origin of superhighway

First recorded in 1925–30; super- + highway
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

Example sentences from the Web for superhighway

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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