Synonyms for underground
ˈʌn dərˈgraʊnd; -ˌgraʊndun·der·ground

WiktionaryRate these synonyms:0.0 / 0 votes

1. undergroundnoun

   Synonyms:
   Tube

2. undergroundnoun

   Below the ground.

   There is an underground tunnel that takes you across the river.

   Synonyms:
   metro, Tube, subterranean, ground, below, subway, métro

3. undergroundadjective

   A movement or organisation of people who resist political convention.

   These criminals operate through an underground network.

   Synonyms:
   avant-garde, counter-culture, on the quiet, in secret, clandestinely, resistance, hush-hush, secret, clandestine, hidden

4. undergroundnoun

   A movement or organisation of people who resist artistic convention.

   Synonyms:
   avant-garde, unconventional

Princeton's WordNetRate these synonyms:0.0 / 0 votes

1. underground, resistancenoun

   a secret group organized to overthrow a government or occupation force

   Synonyms:
   resistance, resistivity, immunity, ohmic resistance, subway, impedance, resistor, electrical resistance, metro, opposition, subway system, electric resistance, tube

   Antonyms:
   surface, open, overhead, overt

2. metro, tube, underground, subway system, subwayadjective

   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'"

   Synonyms:
   resistance, metro, electron tube, subway, thermionic vacuum tube, pipe, tubing, vacuum tube, tube-shaped structure, thermionic valve, underpass, subway system, thermionic tube, tube

   Antonyms:
   overhead, open, overt, surface

3. belowground, undergroundadjective

   under the level of the ground

   "belowground storage areas"; "underground caverns"

   Synonyms:
   hole-and-corner(a), clandestine, cloak-and-dagger, belowground, hush-hush, undercover, surreptitious, hugger-mugger, secret

   Antonyms:
   overt, surface, open, overhead

4. clandestine, cloak-and-dagger, hole-and-corner(a), hugger-mugger, hush-hush, secret, surreptitious, undercover, undergroundadverb

   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"

   Antonyms:
   overt, surface, open, overhead

5. undergroundadverb

   in or into hiding or secret operation

   "the organization was driven underground"

   Antonyms:
   overhead, surface, overt, open

6. undergroundadverb

   beneath the surface of the earth

   "water flowing underground"

   Antonyms:
   overt, open, overhead, surface

Editors ContributionRate these synonyms:5.0 / 1 vote

1. catacombs

   Submitted by anonymous on April 2, 2020  

Dictionary of English SynonymesRate these synonyms:0.0 / 0 votes

1. undergroundadjective

   Synonyms:
   subterranean, subterraneous

Synonyms, Antonyms & Associated WordsRate these synonyms:0.0 / 0 votes

1. undergroundadjective

   Synonyms:
   subterranean, subterraneous, subterrene, subterrestrial

PPDB, the paraphrase databaseRate these paraphrases:0.0 / 0 votes

1. List of paraphrases for "underground":

   subterranean, subsurface, subway, below-ground, belowground, metro, clandestine, groundwater, ground, basement, illegal, hiding, surreptitious, secret, underpass, sub-surface

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How to use underground in a sentence?

1. Mark Hansford:

   There has been development of skill in underground tunneling that gives confidence to clients now, that projects will be built on time and budget.

2. Mohammed Rehman:

   Westfield shopping center or London underground? Any advice would be appreciated greatly.

3. Loretta Lynch father:

   The good guys won. That's what has happened in this country all along, even during slavery. Levi Coffin was a founder of the Underground Railroad. Even during slavery. A white man fought against slavery. So all over this land good folks have stood in the right lane, in the right path.

4. Prince Ali:

   It is a bunker, three floors underground, and for me that is not the vision that one should have for that organization, there is a problem where minutes are not published. And even when they are received they are not accurate, in my opinion.

5. Nagorno Karabakh:

   There has been so much damage to private property we are trying to record all losses, but the volume is just too high. Its already in the tens of millions in damages, we are seeing the use of banned weaponry like very large cluster bombs and many human losses because of this. People are scared, they have gone underground, or they are fleeing to IDP camps or to become refugees in Armenia. Even far from frontlines, people are dying.