Learner's definition of JUSTICE
1 [noncount] : the process or result of using laws to fairly judge and punish crimes and criminals
They received justice in court.
the justice system
the U.S. Department of Justice
criminals attempting to escape justice
The role of the courts is to dispense justice fairly to everyone.
Many people do not believe that justice has been served/done in his case. [=that he has been given proper punishment or fair treatment by the legal system]
His supporters claim that he is an innocent man and that his conviction was a miscarriage of justice. [=an error made in a court of law that results in an innocent person being punished or a guilty person being freed]
◊ Someone who is brought to justice is arrested and punished for a crime in a court of law.
2 a [count], US : a judge in a court of law b Justice — used as a title for a judge (such as a judge of the U.S. Supreme Court)
3 a : the quality of being fair or just b : fair treatment
◊ To do justice to something or someone or to do someone or something justice is to treat or show something or someone in a way that is as good as it should be.
Words could never do justice to her beauty. [=could not adequately describe her beauty]
The movie does not do justice to the book. = The movie does not do the book justice. [=the movie is not as good as the book]
a brief summary that does not do justice to [=does not adequately show] the complexity of this issue
pervert the course of justice