underground

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.

Geothermal energy systems require electronics that can function deep underground, where surrounding rock can glow red-hot.

From Science Daily • Apr. 7, 2026

Then it would need to be mechanically excavated from deep underground in the middle of hostile territory and could weigh 1,000 pounds.

From Salon • Apr. 3, 2026

Kone does much of its research underground in Lohja, Finland, in a facility sunk deep into a working limestone mine that lets engineers test travel distances of more than three football fields.

From The Wall Street Journal • Apr. 2, 2026

"That would definitely help, that would be tangible help to underground club culture," Booth says.

From BBC • Mar. 28, 2026

A wild olive tree marked the end of the thicket, which must have been fed from an underground tributary of the Tarim River.

From "The Many Assassinations of Samir, the Seller of Dreams" by Daniel Nayeri