vitiate

Verb

• take away the legal force of or render ineffective
  • invalidate a contract
    

• make imperfect
  • nothing marred her beauty
    

• corrupt morally or by intemperance or sensuality
  • debauch the young people with wine and women
    
  • Socrates was accused of corrupting young men
    
  • Do school counselors subvert young children?
    
  • corrupt the morals
    

Related words

• Synonyms: 
  invalidate , void , mar , impair , spoil , deflower