tainted
/ˈteɪntɪd/verb
Definitions
To contaminate or corrupt (something) with an external agent, either physically or morally.
To spoil (food) by contamination.
To be infected or corrupted; to be touched by something corrupting.
To be affected with incipient putrefaction.
Example: Meat soon taints in warm weather.
verb
Definitions
To damage, as a lance, without breaking it; also, to break, as a lance, but usually in an unknightly or unscientific manner.
To hit or touch lightly, in tilting.
To thrust ineffectually with a lance.
adjective
Definitions
Corrupted or filled with imperfections.
Example: Hey, get that away from me! It was bought with tainted money.
(of data) Originating from an untrusted source.
Example: Do not use tainted values in SQL queries.