elastic; rebounds readily

Simple past tense and past participle of treat, adjective_ made hard or flexible or resilient especially by heat treatment, given medical care or treatment, subjected to a physical (or chemical) treatment or action or agent

Able to withstand great strain without tearing or breaking; strong and resilient, Strong-minded; resolute, Inclined to violent or disruptive behavior; rowdy or rough, noun_ A person who obtains things by force; a thug or bully, To toughen, someone who learned to fight in the streets rather than being formally trained in the sport of boxing, verb_ To endure, To toughen

To move upward or forward in a single quick motion or a series of such motions; leap, To start doing something suddenly, To extend or curve upward, as a rafter or arch, adjective_ Of or acting like a spring; resilient, Relating to or occurring in spring, Grown during the season of spring, noun_ A time of growth and renewal, An elastic device, such as a coil of wire, that regains its original shape after being compressed or extended, Energetic bounce

A usually rectangular pad of heavy cloth filled with soft material or an arrangement of coiled springs, used as or on a bed, a large thick pad filled with resilient material and often incorporating coiled springs, used as a bed or part of a bed, A form of retaining wall used to support foundations or an embankment