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underground - Meaning and Examples

Meaning of 'underground' (Webster Dictionary)

1 . Underground [ a.]
- Being below the surface of the ground; as, an underground story or apartment.
- Done or occurring out of sight; secret.
2 . Underground [ adv.]
- Beneath the surface of the earth.
3 . Underground [ n.]
- The place or space beneath the surface of the ground; subterranean space.

Meaning of 'underground' (Princeton's WordNet)

1 . underground [ n]
Meaning (1):
- an electric railway operating below the surface of the ground (usually in a city)
Example in sentence:
  • in Paris the subway system is called the `metro' and in London it is called the `tube' or the `underground'
2 . underground [ r]
Meaning (2):
- in or into hiding or secret operation
Example in sentence:
  • the organization was driven underground
Meaning (3):
- beneath the surface of the earth
Example in sentence:
  • water flowing underground
4 . underground [ s]
Meaning (4):
- conducted with or marked by hidden aims or methods
Example in sentence:
  • a secret agent;
  • an undercover investigation;
  • clandestine intelligence operations;
  • cloak-and-dagger activities behind enemy lines;
  • hole-and-corner intrigue;
  • secret missions;
  • secret sales of arms;
  • surreptitious mobilization of troops;
  • underground resistance
Meaning (5):
- under the level of the ground
Example in sentence:
  • belowground storage areas;
  • underground caverns

Nearby Words:

undam undampned undated undauntable undaunted unde undeadly undeaf undecagon undecane

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