Gripper can refer to various objects or tools that are used to firmly grasp, hold, or secure something. There are several synonyms for gripper that can be used depending on the context and purpose. For instance, a clamp is a type of gripper that is used to hold something in place firmly, while a vice can also serve the same purpose. A clip or a clasp can also be used as a synonym for gripper, especially when it comes to holding papers or garments. A tongs, pincers, or pliers are also types of grippers that are used to grip and manipulate objects. Overall, there are many synonyms for gripper, and the choice of the right word depends on the type of object or tool being used.