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Synonyms

underpass

American  
[uhn-der-pas, -pahs] / ˈʌn dərˌpæs, -ˌpɑs /

noun

  1. a passage running underneath, especially a passage for pedestrians or vehicles, or both, crossing under a railroad, road, etc.


underpass British  
/ ˈʌndəˌpɑːs /

noun

  1. a section of a road that passes under another road, railway line, etc

  2. another word for subway

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of underpass

First recorded in 1900–05; under- + pass

Vocabulary lists containing underpass

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

During the previous attack, they had left home too late, found the station already overflowing, and had to use an underpass for shelter.

From The Wall Street Journal Jul. 3, 2026

Videos circulating on social media showed police vans escorting a bar association vehicle carrying Mazari to court before it was stopped at an underpass, where masked security officials prevented journalists from filming the arrest.

From Barron's Jan. 24, 2026

The suspects eventually abandoned the Silverado on Mission Road under the 101 Freeway underpass and escaped, officials said.

From Los Angeles Times Aug. 13, 2025

We could walk a quarter mile and duck under the low PCH underpass, then spend long hours body surfing and doing absolutely nothing.

From Los Angeles Times Jan. 12, 2025

And he pointed and said, “Through the underpass and up the stairs. You’ll see the signs.”

From "The Curious Incident of the Dog in the Night-Time" by Mark Haddon

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