underpass

noun

un·​der·​pass ˈən-dər-ˌpas How to pronounce underpass (audio)
Synonyms of underpassnext
: a crossing of a highway and another way (such as a road or railroad) at different levels
also : the lower level of such a crossing

Examples of underpass in a Sentence

We stood on the bridge and looked down at the underpass.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Back then, our creeks and rivers were just anonymous underpasses, not worth even taking my eyes off the billboards, fluorescent signage and palm trees. Deputy Managing Editor, Los Angeles Times, 10 Apr. 2026 Using its power-lift roof, the camper opens up loads of headroom inside while offering a lower drive height to more easily manage tunnels and underpasses. New Atlas, 8 Apr. 2026 Georgetown Road in Cecil Township turned into a lake at the bottom of a hill and underpass. Chris Hoffman, CBS News, 27 Mar. 2026 Reconstruction requires full demolition to raise the vertical clearance in order to increase safety while simultaneously reducing congestion in the underpass. Hedija Spahalic, Dallas Morning News, 23 Mar. 2026 See All Example Sentences for underpass

Word History

First Known Use

1903, in the meaning defined above

Time Traveler
The first known use of underpass was in 1903

Browse Nearby Words

Cite this Entry

“Underpass.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/underpass. Accessed 14 Apr. 2026.

Kids Definition

underpass

noun
un·​der·​pass -ˌpas How to pronounce underpass (audio)
: a passage underneath something (as for a road passing under another road)

More from Merriam-Webster on underpass

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster