Definitions of superhighway
  1. noun
    a broad highway designed for high-speed traffic
    synonyms: expressway, freeway, motorway, pike, state highway, throughway, thruway
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    an expressway in a German-speaking country
    an expressway in an Italian-speaking country
    toll road, turnpike
    an expressway on which tolls are collected
    type of:
    highway, main road
    a major road for any form of motor transport
  2. noun
    an extensive electronic network (such as the internet) used for the rapid transfer of sound and video and graphics in digital form
    synonyms: information superhighway
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    type of:
    electronic network, network
    (electronics) a system of interconnected electronic components or circuits
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