1. to clearly show or communicate a lack of concern, interest, or care about something
He expressed indifference toward the promotion, saying he was happy with his current position.
Ele expressou indiferença em relação à promoção, dizendo que estava feliz com sua posição atual.
2. to demonstrate emotional detachment or apathy through words or actions
She expressed indifference by shrugging and walking away from the conversation.
Ela expressou indiferença encolhendo os ombros e se afastando da conversa.