Indignation (noun)

1. Anger and disgust at something considered unjust, offensive, or morally wrong.
2. Resentment or anger at an unfair or unjust situation.

Origin:

Late middle english: from latin indignatio(n-), from indignari "feel resentment" (see indignant).

Examples:

1. He spoke with great indignation about the way he had been treated.
2. She expressed her indignation at the suggestion that she had cheated.
3. The citizens" indignation was palpable over the government"s lack of response to the crisis.
4. The public's indignation at the news of corruption in the government led to protests.
5. The employee"s indignation at the company"s decision to cut his benefits was evident in his resignation letter.