Underground Definition

underground
adverb
  1. in or into hiding or secret operation; "the organization was driven underground"
  2. beneath the surface of the earth; "water flowing underground"
adjective
  1. under the level of the ground; "belowground storage areas"; "underground caverns"
  2. 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"
noun
  1. a secret group organized to overthrow a government or occupation force
  2. 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'"

"Underground" in song lyrics

See how underground is used in real songs:

  • "Yo I want to give a shout to Digital Underground"
    3rd Bass — Product of the Environment (Remix)
  • "You can label me underground"
    Esoteric f/ Porn Theater Ushers — Duck Hunt
  • "Lyrics steal railroads, especially made from the underground"
    9th Prince — Camouflage Children

Usage tips for "underground"

Understanding the precise definition of a word helps you use it with confidence. When using "underground" in your writing, consider whether you need the word itself or one of its synonyms — subtle differences in meaning can change the tone of a sentence. If you're writing poetry or song lyrics, check the rhymes for underground to find words that pair well.

Look up another word