A "speakeasy" refers to a secret or illegal establishment that illegally sold alcoholic beverages during the time of Prohibition in the United States (1920-1933). Full definition
The rest of the year, guests can enjoy Capital beers in the brewery's bier stube, which resembles a pub and includes a Brunswick back bar, reportedly from a former speakeasy in Chicago. (fooddrink-magazine.com)
Go on a search for Speakeasy Bars in Singapore. (helloraya.com)
Daniel Okrent, in his book Last Call: The Rise and Fall of Prohibition, says that our perception of speakeasies with peepholes and secret entrances is largely exaggerated. (bookbrowse.com)