adulterate

adulterate (something) with (something)

To dilute or corrupt one substance with another. After an increase in fatal overdoses, the police discovered that the local drug dealers were adulterating heroin with fentanyl. The remake adulterates the classic story with a political agenda.
See also: adulterate
Farlex Dictionary of Idioms.

adulterate something with something

to dilute or taint something with some other substance. They adulterated the wine with some sort of drug.
See also: adulterate
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.
See also:
  • adulterate (something) with (something)
  • adulterate with
  • opioid
  • opioid crisis
  • opioid epidemic
  • form and substance
  • torture
  • torture (one) into (doing something)
  • torture into
  • dirty cop