godan verb (-ru), intransitive verb
get angry; get mad; lose one's temper
Intransitive; describes the subject becoming angry. Often used with に or に対して to indicate the target of anger.
彼はすぐ怒る。
He gets angry easily.
母は私の成績に怒った
My mother got angry about my grades.
godan verb (-ru), transitive verb
Transitive; usually used in the passive form 怒られる to mean 'get scolded'. The active form 怒る is less common but can be used when the subject scolds someone directly.
遅刻して先生に怒られた。
I was late and got scolded by the teacher.
父は弟を怒った。
My father scolded my younger brother.