Sinister actually means left, as in the left side. The modern meaning of "evil" comes from the old belief that the left side was the "wrong" side (as opposed to the right side). Here are some sentences using both meanings.
The witch had her minions carry out the sinister plot to murder the royal family.
1. threatening or portending evil, harm, or trouble; ominous: a sinister remark. 2. bad, evil, base, or wicked; fell: his sinister purposes. 3. unfortunate; disastrous; unfavorable: a sinister accident. 4. of or on the left side; left. Source: Dictionary.com
Just use it! Or do you mean, can you use the word beheld in a sentence.
How do you use the word decibel in a sentence?What is decibel used for?
the word rag in a sentence
Her sinister eyes glared at him from across the room.
The plotting of the evil woman was sinister.
The witch had her minions carry out the sinister plot to murder the royal family.
Sinister--suggesting evil or trouble her sinister smile showed people she didn't have good intentions
Here are some sentences.The sinister magician turned the prince into a frog.His sinister plans were thwarted by the superhero.
The villain displayed a sinister grin, then left the stage.
The noose was very sinister looking. She approached the noose bravely, knowing she deserved to be hung. I need to find a new place to hang this noose.
1. threatening or portending evil, harm, or trouble; ominous: a sinister remark. 2. bad, evil, base, or wicked; fell: his sinister purposes. 3. unfortunate; disastrous; unfavorable: a sinister accident. 4. of or on the left side; left. Source: Dictionary.com
The castle appeared black and sinister, it rose forbiddingly above a forest of dead trees.
"Minist" is not a whole word. Please use a whole word, such as "minister" or "determinist."
The bully looked at me with a sinister intent; I just knew he was coming after my lunch money.
The sinister figure's arrival onstage was preceded by an off-stage gunshot. He gave out a sinister laugh and sauntered away.