Definition of "sinisterly" []

• In a sinister manner. (adverb)

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• "This conflation of the puerile and sinisterly sublime is not something that we see too often -- if ever -- in mainstream media, but it was also something I appreciated and sought out when I was young and always found deeply fulfilling."
• "Lights high on utility poles lit the interior, and the old buildings shone sinisterly in the amber glow."
• "Near the end of the atrocious Lifetime movie, Drew Peterson: Untouchable, the former Bolingbrook Sergeant Rob Lowe is sinisterly opening and closing his neighbor's garage door."