Extrajudicial punishment.
The (unlawful) retaliation for an injustice that the affected person carries out himself.
1Foster thought this was frontier justice and urged another objection.
2Quinn, a passionate advocate for the mentally ill, and Bo, the defense attorney with a unique sense of frontier justice.
3They threw at and near batters regularly with a frontier justice mentality, the kind of machismo that mostly had disappeared from the game.
4"I'll settle for frontier justice and getting the hell away."
Translations for frontier justice