Langtolang Free English German And German English Dictionary with online lookup. It has auto-suggestion feature.

Langtolang Free English Italian and Italian English Dictionary with online lookup. It has auto-suggestion feature.

Kudos Wiktionary Word of the day APP and WIDGET.

Learn a new word everday by either launching the app or including a widget on your home screen (To add a widget after installing the app tap on an empty part of your background and select 'widgets' then 'Wiktionary')
Tapping the widget will give a full explanation of the word.

Dictionary data taken from wiktionary.com
Parts of the source are taken from or modified versions of that found on the Android Developer Blog.

WordMate is an universal dictionary application.

http://wordmate.net