性せい悪あくConjugationsTop 45000MeaningsNa-adjectiveNoun1. ill-natured; inconstancyOther readings性しょう悪わるKanji used性nature (of a person)悪badPitch accentせいあくUsed in vocabulary性せい悪あく説せつcynicism (of mankind); belief that human nature is fundamentally evilNoun