superhighway
noun
su·per·high·way
ˌsü-pər-ˈhī-ˌwā 
ˈsü-pər-ˌhī-
1
: a multilane highway (such as an expressway or turnpike) designed for high-speed traffic
Examples of superhighway in a Sentence
Recent Examples on the Web
The documentary, executive produced by Susan Chun, gives a rare look at how Ecuador became a narco superhighway.
—
Michael Rios, CNN Money, 10 Aug. 2025
The carp escaped into the Mississippi River, which has functioned as a superhighway to travel north.
—Madeline Heim, jsonline.com, 24 July 2025
Obama doesn't get nearly enough flack for the NATO bombing campaign in Libya, one of the most short-sighted and memory-holed American military actions in history that had the twofer effect of destroying that entire country while also opening up a superhighway of mass immigration into Europe.
—Carlo Versano, MSNBC Newsweek, 16 June 2025
In the Plowshare film, a crude animation illustrates a zipper of nuclear blasts from the Atlantic to the Pacific, to excavate a sea-level channel up to two hundred feet wide and one thousand feet deep, an oceanic superhighway across Costa Rica or Nicaragua.
—Literary Hub, 11 June 2025
See All Example Sentences for superhighway
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Michael Rios, CNN Money, 10 Aug. 2025
The carp escaped into the Mississippi River, which has functioned as a superhighway to travel north.
—Madeline Heim, jsonline.com, 24 July 2025
Obama doesn't get nearly enough flack for the NATO bombing campaign in Libya, one of the most short-sighted and memory-holed American military actions in history that had the twofer effect of destroying that entire country while also opening up a superhighway of mass immigration into Europe.
—Carlo Versano, MSNBC Newsweek, 16 June 2025
In the Plowshare film, a crude animation illustrates a zipper of nuclear blasts from the Atlantic to the Pacific, to excavate a sea-level channel up to two hundred feet wide and one thousand feet deep, an oceanic superhighway across Costa Rica or Nicaragua.
—Literary Hub, 11 June 2025
See All Example Sentences for superhighway
Cite this Entry
“Superhighway.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/superhighway. Accessed 10 Sep. 2025.
Copy CitationKids Definition
superhighway
noun
su·per·high·way
ˌsü-pər-ˈhī-ˌwā
1
: a highway designed for high-speed traffic
2
: internet
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