"Death grip" refers to an extremely tight and restrictive hold on something. The term is often used figuratively to describe a situation where someone seems to have complete control over a situation or another person. Antonyms for "death grip" would be loose, relaxed, and light hold. These words connote a lack of force and a sense of ease. Other antonyms for "death grip" might include release, surrender, and let go. These words suggest giving up control over a situation or relaxing one's grip on something. By contrast, maintaining a death grip can create tension and stifle growth or progress.