Install dict-freedict-eng-por by entering the following commands in the terminal:
sudo apt update sudo apt install dict-freedict-eng-por
English-Portuguese dictionary for the dict server/client
This is the English-Portuguese dictionary from the FreeDict project in version 0.2.2 (FreeDict status: big enough). It contains 15700 headwords. It can be used for the dict server in conjunction with a dict client.