ENGLISH DICTIONARY

Underground

Definition, Meaning & Examples

Pronunciation /ˌʌn.dəˈɡɹaʊnd/ · Part of speech adjective

Quick meaning: Underground is an adjective meaning (not comparable) Below the ground; below the surface of the Earth.

Meaning

(not comparable) Below the ground; below the surface of the Earth.

More Meanings

  1. (figurative) Hidden, furtive, secretive.
  2. Below the ground.
  3. Secretly.
  4. (geography) The regions beneath the surface of the earth, both natural (eg. caves) and man-made (eg. mines).
  5. (with definite article) A movement or organization of people who resist political convention.
  6. (figurative) Of or relating to an art forms (such as music) or subculture that is outside the mainstream, especially one that is unofficial and hidden from the authorities.
  7. (chiefly British) Synonym of subway: a railway that is under the ground.

Example Sentences

underground music
London Underground
The tunnel goes underground at this point.
These criminals operate through an underground network.

Word Forms

Synonyms for underground

Depending on context, synonyms include subterranean, hypogean, covered, concealed, dark, dern.

Antonyms for underground

Common opposites include mainstream.

Related Words

Related dictionary entries include belowground, subsurface, metro, subway, tube, guerilla.

Related Dictionary Tools

Sources & Attribution

FreeDictionaryAPI.com / Wiktionary · Original source · CC BY-SA 4.0

Dictionary data is provided by FreeDictionaryAPI.com and sourced from Wiktionary under its stated license.