Drag - definition of drag by The Free Dictionary To move slowly or with effort: He dragged along behind us. 3. To pass or proceed slowly, tediously, or laboriously: The time dragged as we waited. 4. To search or dredge the bottom of a body of water: dragging for the sunken craft. 5. To take part in a drag race. 6. To draw on a cigarette, pipe, or cigar.