He professes to have received no sinister measure from his judge, but most willingly humbles himself to the determination of justice: yet had he framed to himself, by the instruction of his frailty, many deceiving promises of life; which I, by my good leisure, have discredited to him, and now he is resolved to die.
There are no more uses of "sinister" in the play.
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.