Definition of superhighway
1 : a multilane highway (such as an expressway or turnpike) designed for high-speed traffic
Recent Examples of superhighway from the Web
The obvious answer, then, is to make the road network as efficient as the information superhighway.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'superhighway'. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
First Known Use of superhighway
SUPERHIGHWAY Defined for English Language Learners
Definition of superhighway for English Language Learners
: a large and wide highway used for traveling at high speeds over long distances
SUPERHIGHWAY Defined for Kids
Definition of superhighway for Students
: an expressway for high-speed traffic
Seen and Heard
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