Children's, Intermediate and Advanced Online English Dictionary & Thesaurus

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underground

un·der·ground

underground

 
 
parts of speech:
adjective, adverb, noun
features:
Word Combinations (adjective), Word Explorer, Word Parts
part of speech: adjective
pronunciation: uhn dr graUnd
definition 1: located, living, taking place, or operating beneath the earth's surface.
definition 2: beyond public awareness; concealed; clandestine.
definition 3: counter to the mainstream political or cultural ideas of a society, and so not visible through the established, conventional media.
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part of speech: adverb
pronunciation: uhn dr graUnd [or] uhn dr graUnd
definition 1: beneath the earth's surface.
definition 2: in secret; clandestinely.
 
part of speech: noun
pronunciation: uhn dr graUnd
definition 1: a place or region beneath the earth's surface.
definition 2: a space or passage beneath the earth's surface, such as a crossing under a busy street.
definition 3: a secret political or paramilitary organization, such as a resistance movement.
definition 4: (chiefly British) an underground passenger train or rail system, usu. electric, operating in a large metropolitan area; subway.
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