View definitions for underground


adjective as in below the surface

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Example Sentences

Italy may owe some of its seismic activity to carbon dioxide bubbling up from deep underground.

So the group of refuseniks — one of many underground cells plotting freedom — decided to hijack a plane.

From Ozy

Archaeologists had known since 1916 that some holes lurked underground.

Data from NASA’s Dawn orbiter, the study suggests, show signs that it may be harboring an ocean deep underground.

For example, the team found that a seismometer placed 380 meters underground near Auckland, New Zealand, was not only registering human activity, but saw that activity halved during the lockdowns.

But underground classes have Persians getting with the beat.

Atefeh says the participants in the underground classes she attends are mainly young women.

Youssef said the jailings are not only driving the community underground but pushing many to move abroad.

“He literally went underground to hold services,” Moscow-based dissident and journalist Victor Davidoff said in an email.

Unfortunately, the underground tunnels that were used to transport booze and, if necessary, escaping patrons, are off-limits.

All over the world the just claims of organized labor are intermingled with the underground conspiracy of social revolution.

One thing was certain: Grandfather Mole could travel much faster through the water than he could underground.

And when he took an underground stroll he was almost sure to find a few angleworms, which furnished most of his meals.

When a besieged city suspects a mine, do not the inhabitants dig underground, and meet their enemy at his work?

There was a look in his eyes almost as of one coming back from a long and dark journey underground into the light of day.


On this page you'll find 56 synonyms, antonyms, and words related to underground, such as: buried, covered, subterranean, below ground, in the recesses, and subterrestrial.

From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.