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underground (235 synonym found)
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Definition of underground:
(adj) :
below the ground; below the surface of the Earth; hidden, furtive, secretive
"there is an underground tunnel that takes you across the river."
(v) :
below the ground; secretly
"the tunnel goes underground at this point."
(n) :
an underground railway; (with the) A movement or organisation of people who resist political convention
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This word has been
viewed 4,452 times.
Tweet
Related searches
for underground:
Most Recent
Most Popular
Definition of underground:
(adj) :
below the ground; below the surface of the Earth; hidden, furtive, secretive
"there is an underground tunnel that takes you across the river."
(v) :
below the ground; secretly
"the tunnel goes underground at this point."
(n) :
an underground railway; (with the) A movement or organisation of people who resist political convention