a. Capable of being quenched, destroyed, or suppressed. [ 1913 Webster ]
a. Not capable of being extinguished; extinguishable; unquenchable; as, inextinguishable flame, light, thirst, desire, feuds. “Inextinguishable rage.” Milton. [ 1913 Webster ]
a. Inextinguishable. -- Un`ex*tin"guish*a*bly, adv. [1913 Webster]