tainted

adj

1. Corrupted or filled with imperfections.

   “Hey, get that away from me! It was bought with tainted money.”

   “A statement from the official Lao News Agency (KPL) Friday reported that “the consumption of tainted alcoholic beverages” was the suspected cause of the deaths.”

2. Originating from an untrusted source.

   “Near-synonyms: imperfect, faulty”

   “Do not use tainted values in SQL queries.”

verb

1. (form-of, participle, past)simple past and past participle of taint