pervert - verb

• corrupt morally or by intemperance or sensuality
• practice sophistry; change the meaning of or be vague about in order to mislead or deceive
• change the inherent purpose or function of something

pervert - thesaurus

abuse   convolute   corrupt   debase   debauch   demoralise   demoralize   deprave   misdirect   misuse   profane   sophisticate   subvert   twist   vitiate