The phrase "a sinister message" is correct and usable in written English.
It can be used to describe a communication that conveys a threatening or evil intent.
Example: "The letter contained a sinister message that left everyone feeling uneasy."
Alternatives: "an ominous message" or "a malevolent message".
And consumer products can be a controversial business; some parents see Disney Princess as having a sinister message for little girls, for instance.
It seems banal, but it carries a sinister message: looking good equals looking young.
Behind this feel-good advert is a sinister message of the power of companies over governments, the power of corporations over nations.
But another marcher had left a slightly sinister message.
But there is a more sinister message implicit in the apathy argument, and this may explain why it seems satisfying to so many: it allows us to believe that we are suffering from a disease.
Much to my surprise, this nonsexual, joyful image -- after it had gathered many sweet, enthusiastic comments from the march participants and their admirers -- was removed with a dry and sinister message as if from the Big Brother himself, The Censorship Monster robot.
Thinking adults won't find much of "Raise Your Voice" worth their time, but Ms. Duff's screen presence and the film's infectious high spirits will make this piece of fluff appealing to young moviegoers without conveying any sinister messages -- except the suggestion that soul-crushing grief can be "cured" in the short space of a summer.
By the 18th century, it had become a curiosity and an attraction, and it had lost its original sinister message.
It has also made him some dangerous enemies – hence the heroin, meant as a sinister, silencing message.
However, the more sinister message was hidden away in the, frankly terrifying, two-minute nightmare sequence that was supposed to show the evils of drinking.
The relief that there was no repeat of the carnage and that the attacks appeared to have been bungled was tempered by the attackers' sinister message: that the four suicide-bombers who took 56 lives on July 7th were not alone.The attackers struck shortly before lunch in Tube stations at Oval, in south London, Warren Street to the north and on a train near Shepherd's Bush to the west.
