in ‧ dig ‧ nant /ɪnˈdɪɡnənt/ BrE AmE adjective
[ Date: 1500-1600 ; Language: Latin ; Origin: present participle of indignari , from indignus 'unworthy' ]
angry and surprised because you feel insulted or unfairly treated
indignant at/about
Liz was indignant at the way her child had been treated.
an indignant reply
—indignantly adverb :
‘Of course I didn’t tell her!’ Sasha said indignantly.