English dictionary



Hint: Asterisk (*) is a wildcard. Asterisk substitutes zero or more characters.

English adjective: underground

1. underground under the level of the ground


SamplesBelowground storage areas.
Underground caverns.


Synonymsbelowground


Similarsubsurface


Antonymsoverhead, surface

2. underground conducted with or marked by hidden aims or methods


SamplesClandestine 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.


Synonymsclandestine, cloak-and-dagger, hole-and-corner, hugger-mugger, hush-hush, secret, surreptitious, undercover


Similarcovert


Antonymsovert, open


English noun: underground

1. underground (group) a secret group organized to overthrow a government or occupation force


Synonymsresistance


Broader (hypernym)revolutionary group


Narrower (hyponym)Maquis

2. underground (artifact) an electric railway operating below the surface of the ground (usually in a city)


SamplesIn Paris the subway system is called the `metro' and in London it is called the `tube' or the `underground'.


Synonymsmetro, subway, subway system, tube


Broader (hypernym)railroad, railroad line, railway, railway line, railway system


English adverb: underground

1. underground in or into hiding or secret operation


SamplesThe organization was driven underground.

2. underground beneath the surface of the earth


SamplesWater flowing underground.









Based on WordNet 3.0 copyright © Princeton University.
Web design: Orcapia v/Per Bang. English edition: .
2024 onlineordbog.dk