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.
First is an eight-lane superhighway, designed exclusively for massive traffic. Judy Stecker, STAT, 27 Feb. 2026 Whether from land or sea, visitors can witness what is essentially a whale-migration superhighway. Lydia Price, Travel + Leisure, 19 Feb. 2026 The streams became channelized rivers — superhighways for flowing water. Evan Bush, NBC news, 16 Dec. 2025 Beyond the sushi superhighway, guests can order additional Japanese fare — think udon, ramen, side plates and desserts. Brock Keeling, Oc Register, 17 Mar. 2026 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 10 Jul. 2026.

Kids Definition

superhighway

noun
1
: a highway designed for high-speed traffic
2
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