indignant
— Adjective
– English
~ 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"
indignantly
— Adverb
– English
~ in an indignant manner; "Miss Burney protested indignantly, her long thin nose turning pink with mortification at this irreverent piece of mimicry"
indignation
— Noun
– English
~ a feeling of righteous anger