adjective

sinister

sinister, menacing, evil

He had a sinister look on his face.

He had a sinister look on his face.

There was a sinister silence in the old house.

There was a sinister silence in the old house.

((sinister + noun)) describing something as evil or threatening. He has a sinister plan.

Synonyms: evil, menacing, ominous, threatening; Antonyms: good, benevolent, auspicious

From Latin 'sinister' meaning 'left' or 'on the left side'. In ancient Rome, omens seen on the left were considered unlucky, hence the meaning 'ominous'.

Think of a villain in a movie, often shown in shadows with a 'sinister' smile. The 'sin' part can remind you of evil.

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