Anyone know a good thesaurus site?

I used to use dictionary.com and thesaurus.com, but the last year has seen them go from well-organized and fairly quick to megabloated.com, which negatively affects both the functionality and utility of the site, and ticks me off.

Now I use http://ninjawords.com/ for my dictionary.

Do any of you know of a good similar site for a fast (or at least not slow), unbloated thesaurus site?
google is best as it searches different sites to give you best results
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