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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

On the morning of 6 April 2009, a lorry driver pulled off the M4 and parked in an underpass near Porthcawl, south Wales, and spotted a suitcase in an embankment.

From BBC Feb. 7, 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

Mud and debris fell onto West Mountain Drive and Cliff Drive at La Marina, and flooding forced the closure of the Mission Street underpass and the 101 freeway off-ramps, he said.

From Los Angeles Times Nov. 17, 2025

This morning, as I walked past the blackened tunnel mouth, the entrance to the underpass, my pace quickened.

From "The Girl on the Train" by Paula Hawkins

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