the term sinister refers to singularly evil or productive of evil. So "in a sinister way" would be comparable to saying "in an evil way".
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Sinister or ghostly, in a way that causes fear.
In medical terms, "sinister" means left.
Synyster is play on sinister. Sinister means to threaten or suggest malevolence, menace, or harm.
Dire, evil, malevolent, mischievous, ominous, perverse, threatening, nasty, or menacing. Those words mean sinister.
The villain displayed a sinister grin, then left the stage.
Sinister--suggesting evil or trouble her sinister smile showed people she didn't have good intentions
The cast of Something Sinister Is Coming This Way - 2011 includes: Sean Cronin as Drug Lord Johnny Sachon as Tom
A bar sinister is a non-standard term in heraldry for a bend sinister or baton sinister, found on a coat of arms.
Scary, Ugly, and Mean.
Sinister = LeftDexter = Right
Vic Sinister is 165 cm.
Sinister Hands was created in 1932.