angry and scornful, especially at injustice or because of undeserved blame, etc.
"an indignant denial"
"incensed at the judges' unfairness"
"a look of outraged disbelief"
"umbrageous at the loss of their territory"
He feels indignant that Helena's brother should dispose of him so coolly.
出自: Dickens
He published an indignant pamphlet on the subject of his wrongs.
出自: C. R. Markham