陰いん性せい反はん応のうMeaningsNoun1. negative reaction (in patient)Kanji used陰unseen location性nature (of a person)反be against応respond with actionPitch accentいんせいはんのうComposed of陰いん性せいnegative (result); gloomy; negative (e.g. attitude); pessimisticNo-adjective反はん応のうreaction; response; physical reaction (to a stimulus); observable response (of an organism); effect; changeNoun