Sift/sɪft/ Definition 1 of 3Pro Tip 1/2Culinary Usage Often used in cooking to ensure ingredients are fine and lump-free for better texture. Before making the cake batter, always sift the cocoa powder. Pro Tip 2/2Physical Action Involves moving back and forth to separate particles; not all substances can be sifted. To make smooth soup, you might want to sift the stock.