adulterate adulterate /əˈdʌltəreɪt/

adjective

1. Mixed with impurities  ( adulterate , adulterated , debased )
   mixed with impurities
   

verb

1. Corrupt, debase, or make impure by adding a foreign or inferior substance; often by replacing valuable ingredients with inferior ones  ( adulterate , debase , dilute , load , stretch )
   corrupt, debase, or make impure by adding a foreign or inferior substance; often by replacing valuable ingredients with inferior ones
    Adulterate liquor
   adulterate liquor