Slang, profanities, insults and vulgarisms from all the world. The Alternative Dictionaries are a collection of various forms of "bad language" from many languages. At the moment, there are 2743 entries in 162 dictionaries. This is a collaborative project with contributions from a lot of people.

Also, a 131-page book containing all dictionaries is now available for download as a PDF file (892 kB).

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