性せい感かん染せん症しょうMeaningsNoun1. sexually transmitted infection; STI; sexually transmitted disease; STDKanji used性nature (of a person)感feelings染dye症medical conditionPitch accentせいかんせんしょうComposed of性せいnature (of a person); sex; gender; sex (i.e. sexual attraction, activity, etc.); -ty; -ity; -ness; -cyNoun感かん染せん症しょうinfectious disease; infectionNoun