redefinable

Adjective

 * 1) That can be redefined.
 * 2) * 1988, David Powell, Death Or Glory (video game review) in Your Sinclair (issue 25, January 1988)
 * With a joystick (the keys are awkward and not redefinable) I found that forward is thrust, back is brake and the fire button, while nothing actually gets fired, needs to be pressed to destroy each piece of the mothership