superhighway

noun

su·​per·​high·​way ˌsü-pər-ˈhī-ˌwā How to pronounce superhighway (audio)
ˈsü-pər-ˌhī-
1
: a multilane highway (such as an expressway or turnpike) designed for high-speed traffic
2

Examples of superhighway in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
That is a critical step for Korea’s plan to build an energy superhighway to carry renewables across the nation. Neetika Walter, Interesting Engineering, 12 Sep. 2025 Don't let your investment in a state-of-the-art superhighway be compromised by an inability to see the traffic. Serge Lucio, Forbes.com, 8 Sep. 2025 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 See All Example Sentences for superhighway

Word History

First Known Use

1924, in the meaning defined at sense 1

Time Traveler
The first known use of superhighway was in 1924

Browse Nearby Words

Cite this Entry

“Superhighway.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/superhighway. Accessed 15 Sep. 2025.

Kids Definition

superhighway

noun
su·​per·​high·​way ˌsü-pər-ˈhī-ˌwā How to pronounce superhighway (audio)
1
: a highway designed for high-speed traffic
2
Last Updated: - Updated example sentences
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