Your next dictionary of choice? VisuWords - Visualizing words in a visual online graphical dictionary. Linking words together finding similar meaning, or suitable verbs or nouns that are connected to the word you chose to lookup.
VisuWords uses an open source database called WordNet. I previously was a fan of dict.org, however I do like visualization ref.: Bubbl.us Online Mapping, and I think that this graphical dictionary will prosper.
(Found VisuWords via. Del.icio.us.)
[...] This approach is rather different from Visualizing your Dictionary that I wrote about last week. And I do like its initial simplicity, the same reason why I liked dict.org. Word source makes it presumly even more easy to search for words by allowing the following syntax: [...]