Pronunciation: (pur-vûr'zhun, -shun),[key] —n. 1. the act of perverting.
2. the state of being perverted.
3. a perverted form of something.
4. any of various means of obtaining sexual gratification that are generally regarded as being abnormal.
5. Pathol.a change to what is unnatural or abnormal: a perversion of function or structure.