1. a female who practices sexual perversion.
2. /Pathology/. a female affected with perversion.
3. feminine form of pervert.
1. Wow, Tiffany is such an eternal pervertess.
2. "What's a pervertess?" "It's like a pervert, but with -ess added to the end of it. Like a lioness."
3. Like the male pervert, the female pervertess has a very dirty mind, rivaling and sometimes even overtaking her male counterpart.