Separate out Definition 1 of 3Pro Tip 1/3Physical Separation Used when actually dividing items into different places or containers. After baking, she separated out the burnt cookies to throw them away. Pro Tip 2/3Sorting Task Often involves organizing items based on color, type, size, etc. Can you separate out the red marbles from this mixed pile? Pro Tip 3/3Choice Implication Suggests a deliberate choice to focus on or use specific items. She needed to separate out the ripe tomatoes for the salad.