Titular

a. [Fr. titulaire, Sp. & Pg. titular, It. titolare, from Lat. titulus. See TITLE.] Existing in title or name only; nominal; having the title to an office or dignity without discharging its appropriate duties; as, a titular king or prince.

If these magnificent titles yet remain Not merely titular. Milton.

Both Valerius and Austin were titular bishops. Ayliffe.