Shut/ʃʌt/ Definition 1 of 6Pro Tip 1/3Physical Action Often involves manually closing something with your hands or body. Could you shut the trunk of the car? Pro Tip 2/3Completion Implies an action is fully finished, like securing a lid tightly. Please shut the jar properly; the lid is loose. Pro Tip 3/3Safety Concern Can imply safety, preventing harm by closing something. Shut the gate so the dog doesn't run into the street.