She looked up, startled, blinked and tried to sound indignant.
The voice sounded slightly indignant that she was not bursting into tears.
I'm impressed that you can sound so indignant about an argument you've completely made up!!
Matt sounded indignant that she thought he'd go back on their agreement.
She sounded indignant now and a smile touched his lips.
He sounded so indignant that she smiled and actually answered the question.
He's still trying to sound indignant, but he's actually whining now.
Jo sounded so indignant about Berta that the boys had to laugh.
If she'd sounded indignant before, now she was furious.
Half to death' she said, her British intonation sounding particularly indignant.