At its core, justice means fairness. It's about giving people what they deserve and treating everyone equally under the same rules. Think of justice as a balance scale – it tries to make sure that the scales are even, that no one gets too much or too little. Justice isn't just about courts and judges, though that's what many people think of first. Definition of Justice in the Definitions.net dictionary. Meaning of Justice. What does Justice mean? Information and translations of Justice in the most comprehensive dictionary definitions resource on the web. The meaning of JUSTICE is the process or result of using laws to fairly judge cases, redress wrongs, and punish crimes. How to use justice in a sentence. JUSTICE definition: 1. fairness in the way people are dealt with: 2. the system of laws in a country that judges and…. Learn more.