We found 13 dictionaries that define the word the underground:

General (9 matching dictionaries)

1. the underground: Longman Dictionary of Contemporary English
2. the underground: Merriam-Webster
3. the Underground: Oxford Learner's Dictionaries
4. the underground: Collins English Dictionary
5. the underground: Cambridge Advanced Learner's Dictionary
6. The Underground (Boston), The Underground (TV series), The Underground (newspaper), The Underground (novel), The Underground (roller coaster), The Underground, The underground: Wikipedia, the Free Encyclopedia
7. The Underground: TheFreeDictionary.com

Business (1 matching dictionary)

8. The Underground: Legal dictionary

Computing (1 matching dictionary)

9. The Underground: Encyclopedia

Slang (2 matching dictionaries)

10. The Underground: A Seattle Lexicon
11. The UnderGround: Urban Dictionary

Phrases: the underground railroad, The Velvet Underground, The Velvet Underground & Nico, The Velvet Underground discography, History of the London Underground, more... ▸ Words similar to the underground ▸ Usage examples for the underground ▸ Idioms related to the underground ▸ Wikipedia articles (New!) ▸ Words that often appear near the underground ▸ Rhymes of the underground ▸ Invented words related to the underground