When talking about tight grasps, there are a few synonyms that can be used to describe the same action. One such synonym is a firm grip, which implies that the person has held onto something with strength and purpose. Another synonym is a strong clench, which suggests that the person's muscles are tensed up and their fingers are tightly wrapped around the object. A third synonym might be a secure hold, which indicates that the object is being held so tightly that it won't slip out of the person's grasp. Regardless of which synonym you use, each one conveys a sense of determination and focus, showcasing the person's commitment to holding onto what they've got.