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1. Mixed with impurities
   - adulterated, debased

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

Derived forms: adulterated, adulterates, adulterating

See also: impure

Type of: corrupt, spoil

Encyclopedia: Adulterate