Definition of superhighway
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: a multilane highway (such as an expressway or turnpike) designed for high-speed traffic
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Recent Examples of superhighway from the Web
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All Europe has done is redirect the flow of vulnerable humanity, fostering the development of a global superhighway to move people over this great distance.
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Thirty-six by thirty-eight miles in dimension, fourth largest urban center in the United States (never crowded except on superhighways), its pride is its absence of form.
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This superhighway system, sold as being necessary to protect America in case of an attack, was called the National Interstate and Defense Highways Act.
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The immune system fights on the front lines, but the body’s superhighway of information reaches every cell when disease and distress is present.
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Dinosaur State Park holds the greatest number of dinosaur tracks in Connecticut and North America – a dinosaur superhighway.
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The jellyfish population explosion has blossomed for years, but got a special boost since 2015 with the broadening of the Suez Canal, which opened up an aquatic superhighway for invasive species to the Mediterranean.
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Building a superhighway through Boston Street is not that.
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As Feargus O’Sullivan reports for CityLab, Berlin is building a network of bike superhighways in a bid to become more bike-friendly.
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
1924
SUPERHIGHWAY Defined for English Language Learners
Definition of superhighway for English Language Learners
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: 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
Learn More about superhighway
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See words that rhyme with superhighway Spanish Central: Translation of superhighway Nglish: Translation of superhighway for Spanish speakers Britannica.com: Encyclopedia article about superhighway
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