SINISTER

adj. 1 fateful, inauspicious, unfavourable, foreboding, threatening, menacing, minacious, minatory or minatorial, portentous, ominous, unpropitious, disastrous, dark, gloomy There was a sinister meaning in the look he gave her 2 evil, bad, corrupt, base, malevolent, malignant, malign, harmful, pernicious, treacherous, nefarious, wicked, diabolic(al), baleful, villainous, insidious, sneaky, furtive, underhand(ed) The poor girl fell under the sinister influence of a real-life Svengali