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'underground' in a sentence

Learn how to use 'underground' with 9 example sentences.


underground adjective

: under the level of the ground

: conducted with or marked by hidden aims or methods

underground noun

: a secret group organized to overthrow a government or occupation force

: an electric railway operating below the surface of the ground (usually in a city)

underground adverb

: in or into hiding or secret operation

: beneath the surface of the earth


  • Ant colonies have underground fungus gardens.
  • We can get there by underground.
  • He likes to explore underground caves.
  • They dug miles of underground tunnels to resist the enemy attack.
  • The resistance movement has gone underground.
  • The hospital for this Mars colony is underground.
  • His house is near the underground.
  • Are you the runner who escaped the underground city?
  • The plant has an underground stem.
  • Words related to 'underground'


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