spooky

hot-blooded, mercurial, temperamental, unstable, volatile, volcanic

anxious, edgy, flibbertigibbety, nervy, tense, uptight

emotional, emotionalistic, hypersensitive, intense, sensitive, soulful

dramatic, histrionic, melodramatic

irascible, irritable, perturbable, prickly, testy, touchy

ghastly, ghostlike, ghostly, ghoulish, spectral

bizarre, curious, odd, outlandish, outré, peculiar, quaint, queerish, quirky

unaccustomed, uncommon, unusual

metaphysical, preternatural, supernatural

enigmatic (also enigmatical), inscrutable, mysterious, puzzling

dreadful, fearsome, horrible, horrifying, terrible, terrifying