WordGenerator.net offers a simple online word generator specifically designed for the game Pictionary. Users can pick from different categories and word difficulties. A similar word generator with a simpler interface can be found at TheGameGal.com.
The Game Gal also offers a downloadable iOS version of the online word generator available for free from the iTunes store. For Android devices, the Game Word Generator App is another option available on Google Play for 99 cents. Finally, RandomList.com hosts a random word generator that can produce a list of words numbering from just a few examples to thousands. The Pictionary word generator at RandomList.com functions the same way, but shows only one word at a time.