1. (noun) expressway, freeway, motorway, pike, state highway, superhighway, throughway, thruway
a broad highway designed for high-speed traffic
Synonyms: motorway, throughway, thruway, expressway, freeway, state highway, information superhighway, superhighway, pike
2. (noun) superhighway, information superhighway
an extensive electronic network (such as the internet) used for the rapid transfer of sound and video and graphics in digital form
Synonyms: motorway, throughway, thruway, expressway, freeway, state highway, information superhighway, superhighway, pike
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Synonyms and Antonyms of superhighway 
