性せい格かくが悪わるいConjugationMeanings1expression, i-adjectivemean; nasty; ill-naturedDescribes a person's fundamental character as unpleasant, selfish, or mean-spirited. Often used in casual criticism.彼かれは性せい格かくが悪わるいから、友とも達だちが少すくない。He has a bad personality, so he has few friends.
