Definition of Sinister

wicked or evil

Examples of Sinister in a sentence

To make our home look sinister for Halloween, we placed fake spider webs all over the front porch.  🔊

As the camera focused on the creepy old house, sinister music added a wicked mood to the film.  🔊

The outspoken minister was quick to speak out against any book he considered to be sinister.  🔊

The policeman quickly took note of the sinister man’s appearance.  🔊

The young woman had a sinister motive for marrying the elderly millionaire.  🔊

During the sentencing hearing, the judge called the serial killer the most sinister man he had ever met.  🔊

The sinister cult leader killed anyone who questioned his authority.  🔊

Although I can be a little distrustful at times, I believe my new neighbor looks like the sinister man I recently saw on a wanted poster.  🔊

Jane says her daughter’s sinister boyfriend reminds her of the prison inmates she sees on television.  🔊

In less than forty-eight hours, the police had uncovered the woman’s sinister plan to kill her wealthy father.  🔊

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