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Definitions

underground

[uhn-der-ground, uhn-der-ground] / ˈʌn dərˈgraʊnd, ˈʌn dərˌgraʊnd /




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.

Aqua Line is the city's new fully underground metro train connecting the old business district of Cuffe Parade to newer commercial hubs like BKC and the airport terminals in the northern suburbs.

From BBC • Apr. 19, 2026

These systems need both moisture and oxygen to function properly, which can be difficult to maintain underground, especially in dry conditions.

From Science Daily • Apr. 19, 2026

Iran has retained thousands of medium-range and short-missiles and is retrieving the launchers from underground storage areas.

From The Wall Street Journal • Apr. 18, 2026

Still, it is unclear how organized the underground railroad heading to Mexico truly was, the Associated Press reported in 2020, with archives destroyed in a fire and sites along the path abandoned.

From Los Angeles Times • Apr. 16, 2026

I’ve been underground so long that it takes a second to adjust to sunlight.

From "The Manifestor Prophecy" by Angie Thomas




Vocabulary lists containing underground