vicegerent /vaɪsˈd͡ʒɪəɹənt/adjective 1noun 1forms 1 adjective1 •Having or exercising delegated power; acting by substitution, or in the place of another.But whom send I to judge them? whom but thee / Vicegerent Son, to thee I have transferr'd / All Judgement whether in Heav'n, or Earth, or Hell — 1674 noun1 •The official administrative deputy of a ruler, head of state, or church official.In 1574, James, Cardinal Savelli, the Cardinal Vicar, a prelate most exact in sacred and ecclesiastical ceremonies, appointed him his suffragan, or as it would now be termed, Vicegerent. — 1876 formsvicegerents