Definition of "adulterated" in English

adjective

1. Intentionally tainted with impurities (usually as motivated by cheapening the production of a food product or enhancing the psychotropic effects of a street drug).

   • Near-synonyms: laced, tainted, contaminated
   • The problem of adulterated milk has periodically reemerged as a public health menace, from New York in the 1850s to China in 2008.
   • Heroin is often adulterated with fentanyl.

verb

1. simple past and past participle of adulterate