Definition of justiciary in English:



  • 1An administrator of justice.

    • ‘The judges who sat in this court were distinguished by the name of justices, or justiciaries.’
    • ‘In 1183, Rory O'Connor, High King of Ireland, retired to a monastery, leaving control of the kingdom in the hands of Hugh de Lacy, Henry's justiciary.’
    • ‘Though they are valued as warriors and justiciaries, they have a difficult time with more social activities.’
    • ‘WILLIAM de FORZ of Oleron was one of the five commanders and one of the justiciaries of the Navy.’
    • ‘Other justiciaries also have claimed the government to increase salaries.’
    1. 1.1mass noun The administration of justice.
      as modifier ‘justiciary cases’
      • ‘In a few years, we may find a more professional Crown Office as well as a more contrite justiciary.’
      • ‘In short, improper methods impeded law enforcement; investigatory means took control of justiciary ends.’
      • ‘The High Court of Justiciary has once sat outside Scotland, at Zeist in the Netherlands.’
      • ‘The independence of the justiciary is a precious principle.’


Mid 16th century: from medieval Latin justitiarius, from Latin justitia, from justus (see just).