vested /ˈvɛstɪd/ adjective2 •Settled, fixed or absolute, with no contingencies.All legislative Powers herein granted shall be vested in a Congress of the United States, which shall consist of a Senate and House of Representatives. •Dressed or clothed, especially in vestments.The Pope, vested in mitre and cope, is greeted by a newly created Cardinal. formsmore vested · most vested