性せい格かく悪わるい

expression, i-adjective

mean; nasty; selfish; inconsiderate

Colloquial phrase describing a person's character as unpleasant, mean-spirited, or selfish. Often used in casual conversation to criticize someone's personality.

• あの人ひとは性せい格かく悪わるいから、あまり関かかわらないほうがいいよ。

  That person has a nasty personality, so you'd better not get too involved.

• 彼かの女じょ、性せい格かく悪わるいってよく言いわれるけど、本ほん当とうは優やさしいんだ。

  She's often called mean, but she's actually kind.