Words similar to underground

Example sentences for: underground

How can you use “underground” in a sentence? Here are some example sentences to help you improve your vocabulary:

Miller gets his most contentious in the Velvet Underground chapter, when he challenges critic David Fricke's statement that the Velvets were " 'exiled from the mainstream' ... greeted with " 'almost total rejection.' "
Since the reorganization of the municipal transport system, virtually the whole of the city is accessible via underground (U-Bahn), overhead (S-Bahn) railways, bus, or tram.
Instead it has gone underground.
These caves offer a relatively easy and safe introduction to the underground world.
Then-Defense Secretary Perry said last year, "With the new technical challenges of providing stewardship of the stockpile in the absence of underground testing, this is not a time to be fundamentally restructuring the management of these activities."