When it comes to describing something as "springiest", various synonyms can be used to capture this lively and elastic quality. One alternative would be "bounciest", conjuring images of objects or individuals that possess remarkable resilience and the ability to rebound quickly. "Elasti" is another synonym that signifies flexibly stretching or springing back into shape effortlessly. "Lively" is another suitable synonym, which denotes a vibrant and spirited quality that resembles the energetic bounce associated with the word "springiest". Furthermore, "resilient" encompasses a similar essence, depicting an object or person's capacity to withstand pressure or adversity and snap back with vigor. Overall, these synonyms effectively convey the dynamic and buoyant nature that defines the word "springiest."