unforˈgetful,a. (un-1 7.) Also -ness (un-1 12). 1632Lithgow Trav. vi. 285 A grateful and vnforgetfull Frier.1850Blackie æschylus I. 111 For vengeance unforgetful, From their graves they call.1888Mackey Life Bp. Forbes ix. 76 The bishop's unforgetfulness of those to whom honour is due.