Affected with indignation; wrathful; passionate; irate; feeling wrath, as when a person is exasperated by unworthy or unjust treatment, by a mean action, or by a degrading accusation.

angered at something unjust or wrong; "an indignant denial"; "incensed at the judges' unfairness"; "a look of outraged disbelief"; "umbrageous at the loss of their territory"