興こう奮ふん性せいMeaningsNounNo-adjective1. excitability; irritabilityKanji used興vitalize奮arouse性nature (of a person)Composed of興こう奮ふんexcitement; stimulation; agitation; arousalNoun性せいnature (of a person); sex; gender; sex (i.e. sexual attraction, activity, etc.); -ty; -ity; -ness; -cyNoun