springy

Springy is an adjective describing something that possesses the properties of a spring: elastic, resilient, and able to return to its original form after deformation. The degree of springiness depends on material properties such as elasticity and damping. The word derives from spring, with the -y suffix forming an adjective.

In everyday use, springy describes physical objects that yield under pressure and rebound, such as mattresses, foam, rubber, springs, or a springy floor. It can also describe textures that feel bouncy, such as a springy surface or soil in certain conditions. The phrases springy gait or springy step refer to a lively, buoyant way of moving, often suggesting energy or enthusiasm.

In engineering and physics, springiness is linked to elasticity and can be described quantitatively by models of elastic deformation. For many materials, the relationship between force and displacement follows Hooke's law within its elastic range, though real materials also exhibit damping that reduces rebound over time.

Springy is also used as a brand or project name in technology. For example, the term has been used for software projects that implement spring-based models to create flexible, responsive layouts or graphs, illustrating how the metaphor extends into computing.

See also: elasticity, resilience, rebound, spring, Hooke's law.