untreasure verb2 •(literary, no longer used) To despoil of treasure.When Cluffe […] returned to the drawing-room, […] he was a good deal chagrined to find the drawing-room 'untreasured of its mistress.' — 1863 •(literary, no longer used) To display or set forth.J. Mitford the quaintness with which he untreasured, as by rote, the stores of his memory formsuntreasured · untreasuring · untreasures