1) A Truth that people refuse to admit because it contradicts thier understanding of, belief of, or fantasy of reality.

2) An intentionally unacknowledged truth, based on the theory that the ends justify the means.
1) "PETA supports eco-terrorism and kills more animals than it saves."

2) "The Dark Truth about politics is that you can't get what you want without corruption"
by Nytyme October 17, 2005
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