Visuwords is a great visual dictionary. It not only gives definitions, but shows the links between antonyms, synonyms and etymology.
I plugged in a few of the words from this cycle’s vocabulary lists (parasite, circumnavigate, host, viceroy etc.) and the results were quite neat.
Also, if you double click a word/node it expands to show you the things it’s connected to. This can lead to a quite complex diagram. It would have been great to use it for the word navigator, because it gives a graphic organizer that pretty much covers what we talked about for social world this cycle.