Thesaurus.com
Dictionary.com
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.

The Permian Basin, which accounts for around half of U.S. production and holds billions more barrels underground, would be the logical place for oil companies to drill mores.

From Barron's • Apr. 29, 2026

That’s because even a short-term pause can have lasting effects underground, damaging reservoir pressure and increasing the risk of mechanical problems.

From MarketWatch • Apr. 29, 2026

Every barrel that can’t leave the country through normal export channels must go somewhere: into a tank, onto a ship, into an improvised storage site—or remain underground.

From The Wall Street Journal • Apr. 28, 2026

The commander wages war in the skies from a secret location deep underground.

From BBC • Apr. 27, 2026

So we developed a system for coding our underground messages in terms of watches.

From "The Hiding Place" by Corrie ten Boom




Vocabulary lists containing underground