Hyphenation of underground

Wondering how to hyphenate the English word underground ? This word can be hyphenated and contains 3 syllables as shown below.

un-der-ground

Definitions of underground :

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'
3.
Under the level of the ground
Belowground storage areas Underground caverns
4.
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
5.
In or into hiding or secret operation
The organization was driven underground
6.
Beneath the surface of the earth
Water flowing underground

Synonyms of underground :

adj belowground, subsurface
adj clandestine, cloak-and-dagger, hole-and-corner, hugger-mugger, hush-hush, on the quiet, secret, surreptitious, undercover, covert
adj guerrilla, guerilla, irregular, partisan, partizan
noun resistance, revolutionary group
noun metro, subway, tube, railway, railroad, railroad line, railway line, railway system

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