indignation

 
Pronunciation: /ɪndɪgˈneɪʃ(ə)n/

noun

[mass noun]
  • anger or annoyance provoked by what is perceived as unfair treatment: the letter filled Lucy with indignation

Origin:

late Middle English (also in the sense 'disdain, contempt'): from Latin indignatio(n-), from indignari 'regard as unworthy'