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Adjective: adulterating  u'dúl-tu,rey-ting
  1. Making impure or corrupt by adding extraneous materials
    "the adulterating effect of extraneous materials";
    - adulterant
Verb: adulterate  u'dúl-tu,reyt
  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

See also: extraneous, foreign

Type of: corrupt, spoil

Antonym: purifying

Encyclopedia: Adulterate