性せい行こう為い感かん染せん症しょうMeaningsNoun1. sexually transmitted disease; sexually transmitted infection; STD; STIKanji used性nature (of a person)行go為for the sake of感feelings染dye症medical conditionPitch accentせいこういかんせんしょうComposed of性せい行こう為いsexual act; sexual intercourseNoun感かん染せん症しょうinfectious disease; infectionNoun