From the Word Filter menu (Admin Control Panel -> Tools -> Word Filter) admins can select words or phrases deemed offensive, that won't be allowed to be used for describing products.

In the Listing Details section of the Create menu, users can describe items using whichever words they want. Thus, according to the example, the product title contains the previously flagged term "bloom". See below:

However, in the presentation ad clients won't see the flagged word. Notice that in their place there's a string of nonsense characters.