Definition of sinister:
- Indicative of lurking evil or harm; boding covert danger; as, a sinister countenance.
- On the left hand, or the side of the left hand; left; - opposed to dexter, or right.
- Unlucky; inauspicious; disastrous; injurious; evil; - the left being usually regarded as the unlucky side; as, sinister influences.
- Wrong, as springing from indirection or obliquity; perverse; dishonest; corrupt; as, sinister aims.
dour, dim, opprobrious, saturnine, ugly, dismal, bootleg, fatal, bleak, mordant, non-white, malign, blackened, benighted, ignominious, heavy, dreary, ominous, minatory, glum, smutty, inauspicious, ill, blue, minacious, lowering, grim, evil, morose, black-market, dingy, sinistral, shameful, obscure, warn, black, baleful, alarming, moody, smuggled, dark-skinned, pitch-black, sorry, fateful, disconsolate, menacing, drab, glowering, coloured, contraband, dark, drear, sour, inglorious, wicked, threatening, disastrous, gloomy, forbidding, pitch-dark.
evil (part of speech: adjective)
- wicked (part of speech: adjective)
- malevolent (part of speech: adjective)
- "Musicians of To-Day", Romain Rolland Commentator: Claude Landi.
- "Good Old Anna", Marie Belloc Lowndes.
- "The Bars of Iron", Ethel May Dell.