[{"word":"underground","phonetic":"/ˈʌndəɡɹaʊnd/","phonetics":[{"text":"/ˈʌndəɡɹaʊnd/","audio":""},{"text":"/ˈʌndɚɡɹaʊnd/","audio":""}],"meanings":[{"partOfSpeech":"noun","definitions":[{"definition":"An underground railway, especially for mass transit of people in urban areas.","synonyms":[],"antonyms":[]},{"definition":"A train that runs on such an underground railway.","synonyms":[],"antonyms":[]},{"definition":"A rapid transit system, regardless of the elevation of its right of way.","synonyms":[],"antonyms":[]},{"definition":"An underground walkway, tunnel for pedestrians (called pedestrian underpass in US).","synonyms":[],"antonyms":[]},{"definition":"An underground route for pipes, sewers, etc.","synonyms":[],"antonyms":[]}],"synonyms":["Métro","metro","Tube","tube","rapid transit","underground","underground railway","underpass"],"antonyms":[]},{"partOfSpeech":"noun","definitions":[{"definition":"Regions beneath the surface of the earth, both natural (eg. caves) and man-made (eg. mines).","synonyms":[],"antonyms":[]},{"definition":"(with definite article) A movement or organisation of people who resist political convention.","synonyms":["resistance"],"antonyms":[],"example":"the French underground during World War II"},{"definition":"(with definite article) A movement or organisation of people who resist artistic convention.","synonyms":["avant-garde","counterculture"],"antonyms":[]}],"synonyms":["avant-garde","counterculture","resistance"],"antonyms":[]},{"partOfSpeech":"verb","definitions":[{"definition":"To route electricity distribution cables underground","synonyms":[],"antonyms":[]}],"synonyms":[],"antonyms":[]},{"partOfSpeech":"adjective","definitions":[{"definition":"Below the ground; below the surface of the Earth.","synonyms":["hypogean","subterranean"],"antonyms":[],"example":"There is an underground tunnel that takes you across the river."},{"definition":"Hidden, furtive, secretive.","synonyms":[],"antonyms":[],"example":"These criminals operate through an underground network."},{"definition":"Outside the mainstream, especially unofficial and hidden from the authorities.","synonyms":["alternative","unconventional"],"antonyms":["mainstream"],"example":"underground music"}],"synonyms":["alternative","unconventional","hypogean","subterranean"],"antonyms":["mainstream"]},{"partOfSpeech":"adverb","definitions":[{"definition":"Below the ground.","synonyms":["below ground"],"antonyms":[],"example":"The tunnel goes underground at this point."},{"definition":"Secretly.","synonyms":["clandestinely","in secret","on the quiet"],"antonyms":[]}],"synonyms":["below ground","clandestinely","in secret","on the quiet"],"antonyms":[]}],"license":{"name":"CC BY-SA 3.0","url":"https://creativecommons.org/licenses/by-sa/3.0"},"sourceUrls":["https://en.wiktionary.org/wiki/subway","https://en.wiktionary.org/wiki/underground"]}]