debase

Verb

• corrupt, debase, or make impure by adding a foreign or inferior substance; often by replacing valuable ingredients with inferior ones
  • adulterate liquor
    

• lower in value by increasing the base-metal content

• 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: 
  load , adulterate , stretch , dilute , alloy