Online Dictionaries

[Herr Graff is particularly fond of the top 4.]

http://dict.leo.org/

http://www.wordreference.com/

http://lingro.com/

http://www.dict.cc/

http://bab.la/

http://en.bab.la/conjugation/german/

http://dict.tu-chemnitz.de/

http://www.germandictionary.org/

http://translation.babylon.com/german/to-english/

http://dictionary.reverso.net/german-english/