detrimental (adj) - tending to cause harm or damage; pernicious or adverse [de-truh-men-tl]
BREAKDOWN: DE- (away) + TERE- (to rub) + -MENT (action) + -AL (pertaining to)
detriment is a state or cause of harm; damage, loss, or injury
See also: trite
“It can be held certain that information that is withheld or suppressed contains truths that are detrimental to the persons involved in the suppression.” —J. Edgar Hoover