sinister
/ˈsɪ.nɪ.stəɹ/ adjective C1- Inauspicious, ominous, unlucky, illegitimate. · bar sinister
- Evil or seemingly evil; indicating lurking danger or harm. · sinister influences· the sinister atmosphere of the crypt
From the library
Eyes bright, sinister, curious, admiring, provocative, alluring were bent upon him, for his garb and air proclaimed him a devotee to the hour of solace and pleasure.
I had little doubt that I had come to the end of my career when I perceived the somewhat sinister figure of the late Professor Moriarty standing upon the narrow pathway which led to safety.
He was within three yards of us, this sinister figure, and I had braced myself to meet his spring, before I realized that he had no idea of our presence.
It was a tremendously virile and yet sinister face which was turned towards us.
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