Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun superhighway

2 senses of superhighway

Sense 1
expressway, freeway, motorway, pike, state highway, superhighway, throughway, thruway -- (a broad highway designed for high-speed traffic)
       => highway, main road -- (a major road for any form of motor transport)

Sense 2
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)
       => network, electronic network -- ((electronics) a system of interconnected electronic components or circuits)