Thus threat’ning comets, when by night they rise, Shoot sanguine streams, and sadden all the skies: So Sirius, flashing forth sinister lights, Pale humankind with plagues and with dry famine fright: Yet Turnus with undaunted mind is bent To man the shores, and hinder their descent, And thus awakes the courage of his friends: "What you so long have wish’d, kind Fortune sends; In ardent arms to meet th’ invading foe: You find, and find him at advantage now.
There are no more uses of "sinister" in the book.
Show samples from other sources
They created a sinister plan to recruit terrorists.
In the movie, there was a sinister plot to kill people and harvest their organs.