adverb · a strong feeling of displeasure, annoyance, or hostility

他愤然挂断了电话，拒绝继续交谈。

adjective · feeling or showing anger or annoyance at what is perceived as unfair treatment

他对这种破坏环境的行为感到十分愤慨。

noun · a feeling of deep and bitter anger and ill-will

他不应该为了私愤而影响工作。