Hold onto Definition 1 of 3Pro Tip 1/3Safety Action Used when giving safety instructions or advising to keep hold of something for stability. Hold onto the seat while the bus is moving. Pro Tip 2/3Act of Securing Implies the act of securing oneself or an item to prevent harm or loss. Hold onto your puppy's leash tightly in crowded places. Pro Tip 3/3Secure Grip Needed Suggests a firm grip is essential, often due to movement or risk of slipping. Hold onto the rope while climbing.