Not since that 1985 Mikhail Baryshnikov cinematic embarrassment has the term “white knight” so polluted the public discourse.
It just sort of seeps out of them, like oil from a polluted stream.
“Sometimes I worry what these polluted bodies are doing to the environment, too,” he says.
c.1400, "rendered impure or unclean," past participle adjective from pollute (v.). Meaning "drunk" is from 1912, American English slang; ecological sense is from 1888.
pollute pol·lute (pə-lōōt')
v. pol·lut·ed, pol·lut·ing, pol·lutes
To make unfit for or harmful to living things, especially by the addition of waste matter; contaminate.
To make less suitable for an activity, especially by the introduction of unwanted factors.