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Underground

/ˈʌndəɡɹaʊnd/

Last Updated: January 2, 2026 at 12:30 PM

Scrabble:14 ptsWWF:19 pts11 letters

Definition of Underground

noun

  1. An underground railway, especially for mass transit of people in urban areas.
  2. A train that runs on such an underground railway.
  3. A rapid transit system, regardless of the elevation of its right of way.
  4. An underground walkway, tunnel for pedestrians (called pedestrian underpass in US).
  5. An underground route for pipes, sewers, etc.

noun

  1. Regions beneath the surface of the earth, both natural (eg. caves) and man-made (eg. mines).
  2. (with definite article) A movement or organisation of people who resist political convention.

    "the French underground during World War II"

  3. (with definite article) A movement or organisation of people who resist artistic convention.

verb

  1. To route electricity distribution cables underground

adjective

  1. Below the ground; below the surface of the Earth.

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

  2. Hidden, furtive, secretive.

    "These criminals operate through an underground network."

  3. Outside the mainstream, especially unofficial and hidden from the authorities.

    "underground music"

adverb

  1. Below the ground.

    "The tunnel goes underground at this point."

  2. Secretly.

Anagrams of Underground

+1 Letter Anagrams

Words formed by adding one letter to "underground" and rearranging:

+sundergrounds

Related Word Patterns

UN...Words starting with "un"...NDWords ending with "nd"All 11-letter wordsUnscramble "underground"

Synonyms & Antonyms

SYNONYMS

métrometrotuberapid transitundergroundunderground railwayunderpassavant-gardecountercultureresistancealternativeunconventionalhypogeansubterraneanbelow ground

ANTONYMS

mainstream

Rhyming Words

aboundabovegroundabscondaddendadherendaforehandagroundairboundalandalmondamendampersandanalysandandappend+5 more

Related Words

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