perverted
1. Someone who is perverted has abnormal behaviour or ideas, especially sexual ones.
2. Something that is perverted is wrong, unnatural, or harmful.
    ...a perverted form of love.
  ADJ

pervert
            //perverts, perverting, perverted
            pronounced // when it is a verb, and // when it is a noun.
1.  If you pervert something, for example a process or society, you interfere with it so that it is not what it used to be
     or should be; a formal use
     Traditional ceremonies were perverted into meaningless rituals.
   VB WITH OBJ

2. A pervert is a person whose behaviour, especially sexual behaviour, is abnormal or unacceptable.
   COUNT N