Uncurl/ˌʌnˈkɜːrl/ Definition 1 of 3Pro Tip 1/3Physical Movement Used to describe literal twisting or rolling movements of objects or parts of the body. The gymnast's ribbon uncurled elegantly in the air. Pro Tip 2/3Observational Context Often observed in nature describing plants or animals as they expand or stretch. In the morning light, I watched the tendrils of the fern uncurl. Pro Tip 3/3Slow Process Implies a gradual or a gentle unfolding action, not abrupt. The new leaf on the plant uncurled over several days.