angry because of something that is wrong or not fair愤怒的,愤慨的
She wrote an indignant letter to the paper complaining about the council's action.她给报纸写了一封义愤填膺的信抗议市政会的做法。
He became very indignant when it was suggested he had made a mistake.当有人提出他犯了错误时,他非常生气。