superhighway

noun

su·​per·​high·​way ˌsü-pər-ˈhī-ˌwā How to pronounce superhighway (audio)
ˈsü-pər-ˌhī-
Synonyms of superhighwaynext
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.
Those bogus images and videos spread not just on X, but also along other superhighways of falsehoods, notably the Meta platforms Instagram, Facebook and Threads, albeit with less engagement. James Warren, Chicago Tribune, 8 Jan. 2026 The streams became channelized rivers — superhighways for flowing water. Evan Bush, NBC news, 16 Dec. 2025 But it was actually set in motion a year ago, when the Midcontinent Independent System Operator – the power grid operator for the central United States – approved a suite of projects to build a transmission superhighway across the upper Midwest. Madeline Heim, jsonline.com, 11 Dec. 2025 The vision of the new company is to use the superhighway to bring different rules or different data sources to help the user in their document creation or communication. Aman Kidwai, MSNBC Newsweek, 29 Oct. 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

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Cite this Entry

“Superhighway.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/superhighway. Accessed 20 Jan. 2026.

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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