The noun form for the adjective indignant is indignation. Another noun form is indignity.
Chat with our AI personalities
indignation
He was indignant when his wife left the house. Another good sentence would be, he was indignant when the dog chewed up his shoes.
He was indignant when his friends called him "gay".
He asked me questions which made me quite indignant
I became indignant when i was picked last again.