Simple past tense and past participle of adulterate.(verb)
Wiktionary.org : Text is available under the Creative Commons Attribution-ShareAlike License
Use "adulterated" in a sentence
"The USDA has been considering for more than a year a policy change that would allow whole beef cuts to be considered "adulterated" -- and thus subject to recall -- even if they aren't "intended for use in ground beef," according to Daniel Engeljohn, a deputy assistant administrator for USDA's Food Safety and Inspection Service, or FSIS."
"The agency did not disclose the name of the offending wine, including recalling the adulterated product."
"If this be correct, it appears that the articles at present in the market, or at least those which have come in my way, have been wretched imitations of the genuine thing, and should, instead of being called adulterated annatto, be called something else adulterated, but not seriously, with annatto."