underpass

noun

un·​der·​pass ˈən-dər-ˌpas 

: 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

Life threatening flooding of low water crossings, small creeks and streams, urban areas, highways, streets and underpasses continues. — Nc Weather Bot, Charlotte Observer, 2 Aug. 2026

The right lane approaching the underpass is also clearly marked as a right-hand-turn only lane. — Eric Adler, Kansas City Star, 31 July 2026

That includes $10 million for the underpass and about $2 million for a traffic signal at Avimor Drive and several collector roads built during the project’s early phases. — Noah Daly july 17, Idaho Statesman, 17 July 2026

In addition, the current plans call for 3 wildlife corridor/trail underpasses. — Scott Maxwell, The Orlando Sentinel, 10 July 2026

Word History

First Known Use

1903, in the meaning defined above

Rhymes for underpass

• fiberglass
• fibreglass
• hourglass
• isinglass
• lemongrass
• martinmas
• orchardgrass
• overpass
• plexiglas
• plexiglass
• sassafras
• superclass

Kids Definition

underpass

noun

un·​der·​pass -ˌpas 

: a passage underneath something (as for a road passing under another road)