sinister Definition

evil, ominous, menacing, minatory, wicked, baleful, dark, alarming, ugly, forbidding, sinistral, black, threatening, minacious, nefarious, creepy, mysterious, shadowy, insidious, spooky, disquieting, macabre, pernicious, ghastly, vile, frightening, malign, hideous, eerie, disturbing, weird, heinous, shady, monstrous, gruesome, unholy, troubling, dishonest, murky, ulterior, dangerous, grim, malignant, unspeakable, vicious, malicious, depressing, unfortunate, sombre, appalling, obscure, poisonous, gloomy, horrific, sad, draconian, bleak, horrible, dull, underhand, dreadful, terrible, worrying, perilous, treacherous, ruinous, infamous, horrendous, dire, fateful, atrocious, disastrous, catastrophic, dismal, fatal, spirit, left, fell, ill-fated, left-wing, malevolent, diabolical, devious, demonic, devilish, dastardly, ghoulish, conspiratorial, murderous, fiendish, satanic, strange, ghostly, mischievous, grotesque, duplicitous, perverse, unsavory, bizarre, cunning,