'disquieting fact' is correct and usable in written English.
You can use it when you want to refer to something that is causing unease or a feeling of worry. For example, "The disquieting fact that the killer had not been apprehended was causing a lot of panic in the town."
Experimental studies have revealed the disquieting fact that most people are extremely bad at detecting lies.
Szabo noticed that the room, which was painted an incongruous robin's-egg blue, had a drain in the middle of its floor, a disquieting fact.
Press's real achievement in this short book is not in his research or analysis, but in his refusal to flinch from that disquieting fact.
But here is a disquieting fact: In one version or another, this conflict, centered on protest against the federal debt, has been going on almost since the beginning of the Republic.
How should we understand the disquieting fact that a mass of scientific evidence about the Anthropocene, an unfolding event of colossal proportions, has been insufficient to induce a reasoned and fitting response?
But the disquieting fact is that even those working towards therapeutic cloning, thereby offering an immense boon to humanity's future, are eager to say that they aim only to produce stem cells for research, and have no intention of cloning humans.
The commission said it had learned "deeply disquieting" facts about the public's perception of the military industry when it enlisted a poll taker to study the issue.
Brimful of disquieting facts on inflation, trade deficits and Wall Street's influence on national monetary policy, Patrick Creadon's resolutely nonpartisan movie tracks America's "fiscal cancer" through centuries of budgetary highs and lows.
Acting U.S. Surgeon General Boris D. Lushniak wants to shine a spotlight on the nation's ever-growing number of skin cancer cases, calling it a "major public health problem that requires immediate action". In a report set for release Tuesday, Lushniak highlights some disquieting facts about the disease and its most deadly form, melanoma.
A new study by the Library of Congress reveals some disquieting facts about the country's early film heritage.
Apparently, the switch is being turned off in the White House to keep disquieting facts in the shadows.
