Empty  —adj. (-ier, -iest) 1 containing nothing. 2 (of a house etc.) Unoccupied or unfurnished. 3 (of a vehicle etc.) Without passengers etc. 4 a hollow, insincere (empty threats). B without purpose (an empty existence). C vacuous (an empty head). 5 colloq. Hungry. —v. (-ies, -ied) 1 remove the contents of. 2 (often foll. By into) transfer (contents). 3 become empty. 4 (of a river) discharge itself. —n. (pl. -ies) colloq. Empty bottle etc.  emptiness n. [old english]