Thesaurus

underground

adjective

Synonyms and Antonyms of underground

  1. 1 undertaken or done so as to escape being observed or known by others an underground operation to smuggle ancient artifacts out of the country Synonyms of underground backstairs, behind-the-scenes, clandestine, covert, furtive, hole-and-corner, hugger-mugger, hush-hush, private, privy, sneak, sneaking, sneaky, stealth, stealthy, surreptitious, undercover, secret, underhand, underhandedWords Related to underground back-channel, closed-door, off-the-books, off-the-record; classified, confidential, restricted, top secret, undisclosed; concealed, hidden, secreted, subterranean, unadvertised, unexposedNear Antonyms of underground acknowledged, avowed; aboveboard, straightforward, unconcealed, undisguised; unclassified, unrestricted; clear, evident, manifest, obvious, patent, plainAntonyms of underground open, overt, public

  2. 2 being, situated, or operating beneath the surface of the earth an underground shopping mall that is part of the city's subway system Synonyms of underground subsurface, subterranean, belowgroundAntonyms of underground aboveground, surface


underground

noun

Synonyms and Antonyms of underground

  1. a secret organization in a conquered country fighting against enemy forces joined the underground while still a teenager Synonyms of underground resistanceWords Related to underground cabal, conspiracy



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