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Underground

speaker

Meaning

Adj

Below the
;
of the Earth.
Hidden,
, secretive.
In Art & Music:
Outside the
, especially
and
from the authorities.

Adv

Below the ground.
Secretly.

Noun

In Geography:
Regions
of the
, both natural (eg.
) and
(eg. mines).
In British English:
Synonym of
: a
that is under the ground.
A
or
of people who
political convention.
A
or
of people who
convention.

Verb

Name

The London Underground.
Sourced from
Wiktionary

Origin

underground
English
arrow
ground
English
arrow
grund
Old English (ca. 450-1100)
under
English
arrow
under
Old English (ca. 450-1100)
Sourced from
Etym

Antonyms

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