Underground in a sentence as a noun

That is not so in ten years: there will be a major "bazaar" going on underground.

Ross Ulbricht failed at this completely throughout his underground career.

' Those folks will work tirelessly both in the open and underground to give themselves the advantage.

Underground in a sentence as an adjective

Compare them to underground dentists -Bob has no medical training, but has a dremel and practiced on a pig head.

Each successful release group aims to have a small list of affiliations with well known and prestigious underground boards/ftp-sites.

"In a civil, decent society, most of these behaviors are driven underground, and treated as criminal.

Underground in a sentence as an adverb

The sub-train system is something like a 20th-century subway system, in that it consists of a self-propelled train moving through an underground tunnel.

How about to ******* riot and repel this policy?So far, the reaction on intrusion of privacy by the government from the people was to circumvent it, go underground.

" I posit that it's better than not bonding at all, but if you really want to dismiss my friendships and suggest the only way to forge lifetime male bonding is to form an underground anarchist militia and make bombs out of soap, I'll take that under consideration.

Underground definitions


a secret group organized to overthrow a government or occupation force

See also: resistance


an electric railway operating below the surface of the ground (usually in a city); "in Paris the subway system is called the `metro' and in London it is called the `tube' or the `underground'"

See also: metro tube subway


under the level of the ground; "belowground storage areas"; "underground caverns"

See also: belowground


conducted with or marked by hidden aims or methods; "clandestine intelligence operations"; "cloak-and-dagger activities behind enemy lines"; "hole-and-corner intrigue"; "secret missions"; "a secret agent"; "secret sales of arms"; "surreptitious mobilization of troops"; "an undercover investigation"; "underground resistance"

See also: clandestine cloak-and-dagger hugger-mugger hush-hush secret surreptitious undercover


in or into hiding or secret operation; "the organization was driven underground"


beneath the surface of the earth; "water flowing underground"