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Synonyms & Antonyms of underground
(Entry 1 of 3)
- an underground operation to smuggle ancient artifacts out of the country
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- an underground shopping mall that is part of the city's subway system
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underground
nounSynonyms of underground (Entry 2 of 3)
- joined the underground while still a teenager
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underground
adverbSynonyms & Antonyms of underground (Entry 3 of 3)
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Cite this Entry
“Underground.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/underground. Accessed 24 May. 2022.
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Time Traveler for underground
The first known use of underground was in the 14th century
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