1. to show or make evident a lack of concern, interest, or sympathy toward something or someone
He demonstrated indifference toward the criticism by not responding.
Ele demonstrou indiferença com relação às críticas, não respondendo a elas.
2. to display an attitude of apathy or unconcern in one's behavior or words
She demonstrated indifference by shrugging and walking away.
Ela demonstrou indiferença encolhendo os ombros e se afastando.