単たん純じゅん性せいMeaningsNoun1. simplicityKanji used単single純pure性nature (of a person)Composed of単たん純じゅんsimple; plain; uncomplicated; straightforward; simple-minded; naiveNa-adjective性せいnature (of a person); sex; gender; sex (i.e. sexual attraction, activity, etc.); -ty; -ity; -ness; -cyNoun