Berlin

• Duden Wörterbuch
• Oxford English Dictionary

The Deutsches Wörterbuch (DWB) is the largest and most comprehensive dictionary of the German language with word meanings and references. The DWB was started by the brothers Jacob and Wilhelm Grimm in 1838, and finished in 1961, after 123 years. A total of 32 volumes were produced. The revision began at the same time as the work on the first edition was completed. An online version of the DWB (Der Digitale Grimm) has been accessible since June 2002.

• Deutsches Wörterbuch

The Duden is a dictionary of the German language, and has long been the prescriptive source of German regarding grammar and spelling. It was first published by Konrad Duden in 1880, with regular updates every four or five years. The current edition published in 2020 is the 28th. The Duden dictionary is also available online.