Meaning of “justice” - Learner’s Dictionary

justice

noun uk us /ˈdʒʌstɪs/
FAIR BEHAVIOUR [ U ]

B2 behaviour or treatment that is fair and morally correct:

She tried to bring about fairness and justice for all.
→ Opposite injustice
LAW [ U ]

B2 the system of laws that judges or punishes people:

the criminal justice system
JUDGE [ C ] US

someone who judges in a court of law

bring sb to justice

to catch a criminal and decide if they are guilty or not

do sb/sth justice; do justice to sb/sth

to show the best or real qualities of something or someone:

This postcard doesn't do justice to the wonderful scenery.

(Definition of “justice” from the Cambridge Learner’s Dictionary © Cambridge University Press)