悪あく質しつ性せいMeaningsNoun1. malignancy; viciousness; underhandednessKanji used悪bad質quality性nature (of a person)Composed of悪あく質しつmalicious; vicious; malignant; underhanded; shoddy; inferior; poor-quality; second-rateNa-adjective性せいnature (of a person); sex; gender; sex (i.e. sexual attraction, activity, etc.); -ty; -ity; -ness; -cyNoun