underground activities

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.

This was particularly important in connection with underground activities like excavation and extraction, he said, pointing for instance to quakes triggered by disposal of wastewater from the fracking industry in Texas.

From Barron's • May 11, 2026

But in a section of security procedures, DGR also mentions covert underground activities taking place in support of DGR goals.

From Washington Times • Jun. 13, 2022

But Eisenberg’s signature intensity only heightens what is, in some respects, an otherwise by-the-book Holocaust drama, bringing to life a man whose art and rapport with children became instrumental in his underground activities.

From Washington Post • Mar. 25, 2020

The church survived underground activities of both coalmining and railway works, as well as two world wars, but nearly succumbed to fire in 1961.

From BBC • Sep. 9, 2017

He had dropped all pretense of questioning me on my underground activities and seemed especially to enjoy hearing about my childhood.

From "The Hiding Place" by Corrie ten Boom