sliceslice2 ●●○ verb 1 [transitive] also slice up to cut meat, bread, etc. into thin flat pieces: Could you slice the bread?THESAURUScut, chop (up), dice, peel, carve, shred, grate► see thesaurus at cut1 (1)2[intransitive, transitive] to cut something easily with one movement of a sharp knife or edge: Careful – that blade could slice through your finger.