I bookmark the Merriam Webster dictionary, the OneLook Reverse Dictionary, and Thesaurus.com. Two of these services are ad supported, and of course the content of the ads is based on the context of the search term, so it is possible to get some weird advertising if you look up strange words.
Still, I was stunned into laughter just now, when I looked up the word “subjugate” in the oneline thesaurus. Here are the three contextual advertisments that Google Adsense thought to be the best fit:
Punished Wife (1987) Movie Reviews, Ratings, & Rankings
Is Your Husband Gay?
5 Signs Your Husband Is Gay. Browse Our Free Articles Now!
How to Love Your Spouse
A Proven System. Guaranteed Results Get Free Marriage Help Immediately.
How disappointing. There is absolutely NO advertising for Dr. Horrible or Cthulhu.