1. a violation of what is fair, right, or just; unfair treatment or action
It is an injustice to punish someone without a fair trial.
É uma injustiça punir alguém sem julgamento justo.
2. an act or decision that is morally or legally wrong
The court recognized the injustice committed against the defendant.
O tribunal reconheceu a injustiça cometida contra o réu.