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

2

: information superhighway

Examples of superhighway in a Sentence

Recent Examples on the Web

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

The superhighway would move large quantities of electricity from renewable energy sources, such as wind and solar in remote locations, to urban and industrial centers with high energy demand. —Deborah Wince-Smith, Forbes.com, 14 May 2025

Third, build a national transmission superhighway and smart, self-healing electric grid. —Deborah Wince-Smith, Forbes.com, 14 May 2025

Or rivers like the Skykomish that flow into the Puget Sound, which used to be salmon superhighways but are now closed to sportfishing some years due to abysmal returns. —Dac Collins, Outdoor Life, 15 May 2025

Word History

First Known Use

1924, in the meaning defined at sense 1

Phrases Containing superhighway

• information superhighway
• the information superhighway

Rhymes for superhighway

• andromache
• bioassay
• cabriolet
• cercariae
• communique
• companionway
• compositae
• decussate
• examinee
• fabaceae
• glyphosate
• microarray

Kids Definition

superhighway

noun

su·​per·​high·​way ˌsü-pər-ˈhī-ˌwā 

1

: a highway designed for high-speed traffic

2

: internet