un·can·ny 
(ŭn-kănē)
(ŭn-kănē)adj. un·can·ni·er, un·can·ni·est
Mysterious or impossible to explain, especially when causing uneasiness or astonishment. See Synonyms at weird.
[UN-1 + CANNY, fortunate, safe (obsolete).]
un·canni·ly adv.
un·canni·ness n.