Install dict-freedict-deu-fra by entering the following commands in the terminal:
sudo apt update sudo apt install dict-freedict-deu-fra
Description:
German-French dictionary for the dict server/client
This is the German-French dictionary from the FreeDict project in version 2016-11-20. It contains 30425 headwords. It can be used for the dict server in conjunction with a dict client.
Homepage: http://freedict.org/
Version: 2016.12.12-1
Section: universe/text