Definition of underground

underground    

adjective

• secret.
  • See more words with the same meaning: quiet, secret.

  Last edited on Dec 05 2011. Submitted by Walter Rader (Editor) from Sacramento, CA, USA on Sep 21 2009.

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Related words

Slang terms with the same meaning

Other terms relating to 'quiet, secret':
on the DL	Definitions include: "on the down low", i.e. secret.
QT	Definitions include: "cutie."
back room	Definitions include: away from public scrutiny.
mum	Definitions include: mom aka "mother".
on the sly	Definitions include: secretive.
DL, the	Definitions include: See on the DL.

Slang terms with the same root words

None. How about some random words?

TAY	Definitions include: acronym for "talk amongst yourselves".
CAH	Definitions include: Origin: The Fly Girls.
nuke	Definitions include: to cook something in the microwave.
like a bomb hit it	Definitions include: disorderly.
dig up	Definitions include: to discover information through investigation.
take the Browns to the Superbowl	Definitions include: see take the Browns to the Super Bowl.
nobody	Definitions include: a non-notable person.
popcorn fart	Definitions include: something very dry and used for comparison.
crotchless panties	Definitions include: underwear with no crotch, such that the genitals are exposed.
splash out	Definitions include: to spend money.

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Average of 13 votes: 36%  (See the most vulgar words.)

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