Comma/ˈkɑːmə/ Definition 1 of 3Pro Tip 1/3List Separator Use commas to separate items in a list for clarity. I packed apples, oranges, and bananas. Pro Tip 2/3Natural Pause In conversational English, a comma often represents where you would naturally pause. She walked in, looked around, and smiled. Pro Tip 3/3Avoiding Confusion Commaseparate clauses to prevent misreading or confusion. Let's eat, Grandma!