Integrate glosbe.com free dictionary in your Joomla site. You can add as many language as you want :). Just collect 639-1 language code from here: http://en.wikipedia.org/wiki/List_of_ISO_639-1_codes. Also make sure that your language has listed here: https://glosbe.com/all-languages. Download the module & install in your Joomla site. Now published that module to an appropriate template position & enjoy :).
You can get latest build from github: https://github.com/jibon57/mod_hoicoi_glosbe