1. To behave or conduct oneself in a manner that is impartial, unbiased, or free from personal financial gain or selfish motives
The judge acted disinterested in the case, ensuring fair treatment for both parties.
O juiz agiu desinteressadamente no caso, garantindo tratamento justo para ambas as partes.
2. To perform an action without personal interest, stake, or emotional involvement
She acted disinterested in the outcome, simply wanting to help others.
Ela agiu desinteressadamente quanto ao resultado, apenas querendo ajudar os outros.