/ ˌɪndɪgˈneɪʃn; NAmE / noun
[ U ] indignation (at / about sth) | indignation (that ... ) a feeling of anger and surprise caused by sth that you think is unfair or unreasonable :
The rise in train fares has aroused public indignation.
Joe quivered with indignation that Paul should speak to him like that.
Some benefits apply only to men, much to the indignation of working women.
to be full of righteous indignation (= the belief that you are right to be angry even though other people do not agree)
••
WORD ORIGIN
late Middle English (also in the sense disdain, contempt ): from Latin indignatio(n-) , from indignari regard as unworthy.