springing back; rebounding.

returning to the original form or position after being bent, compressed, or stretched.

recovering readily from illness, depression, adversity, or the like; buoyant.

adjective

hard , inflexible , rigid , stiff

adjective

airy , buoyant , effervescent , elastic , expansive , hardy , irrepressible , plastic , pliable , quick to recover , rebounding , rolling with punches , rubbery , snapping back , springy , stretchy , strong , supple , tough , volatile , flexile , adaptable , flexible , resistant