意い外がい性せいMeaningsNoun1. unexpectedness; unpredictability; tendency to surprise; element of surpriseKanji used意idea外outside性nature (of a person)Composed of意い外がいunexpected; surprising; unanticipated; strange; unforeseenNa-adjective性せいnature (of a person); sex; gender; sex (i.e. sexual attraction, activity, etc.); -ty; -ity; -ness; -cyNoun