simpler on most machines:: $ sudo apt-get install dictd dict dict-gcide dict-de-en dict-stardic dict-wn dict-xdict dict-moby-thesaurus dict-freedict-deu-eng

simpler on most machines:: $ sudo apt-get install dictd dict dict-gcide dict-de-en dict-stardic dict-wn dict-xdict dict-moby-thesaurus dict-freedict-deu-eng dict-freedict-eng-deu # or even more dict-freedict* stuff $ dict approved