Charg had given the word as a sinister threat to his agent.

Police believe the IRA intended it as a sinister threat to the royals.

Yet now, even without the aid of the mystic blade, Uther could feel a sinister threat growing in the shadows.

Hence Langhorne pondered long over the sinister threats that lay before him on the desk.

Fry alleges more sinister threats have been made.

"I fully understand that sinister threats call for urgent measures."

Nor have official bodies been able to ward off the most sinister threat.

But behind the nice photographs lurks a sinister threat to genetic diversity, the most fundamental principle of nature.

At some point over the years, the well-worn phrase had come to feel more like a sinister threat than a romantic promise.

They were alive for the present at least, but Harry knew of the sinister threat that hung over the west.