D defs.my
Entry 4 senses Webster, 1913

contaminated

· IPA /kəntˈæmənˌeɪtɪd/
01 adj. containing undesired or infective microorganisms.
  1. 1.
    containing undesired or infective microorganisms.
  2. 2.
    rendered impure by addition of deleterious substances; as, had to boil the contaminated water.
  3. 3.
    damaged by inclusion of incorrect data or information not belonging; as, The file was contaminated by a buggy editor.(Computers)
  4. 4.
    appearing unethical due to a questionable source or motives; -- of money or activities; as, The fund was contaminated by a large donation from a mobster.
Syn. dirty, infected. — Syn. -- polluted. — Syn. -- corrupted. — Syn. -- tainted.