Anger (noun)

1. A strong feeling of annoyance, displeasure, or hostility.
2. A feeling that is characterized by a strong desire for revenge.

Origin:

Old english ange, from proto-germanic *angus (compare with dutch and german angst), of uncertain origin.

Examples:

1. The news of his betrayal filled her with anger.
2. He could not contain his anger when he found out that he had been lied to.
3. The injustice of the situation made him feel a burning anger.
4. Her anger was evident in her voice as she spoke to him.
5. The anger in his eyes made it clear that he was not going to back down.