Ĭn/ex-tĭn'g'uish-a-ble, a.

a. [Prefix in, not, and extinguishable. Cf. Fr. & Sp. inextinguible, It. inextinguibile, Lat. inextinguibilis.] Not capable of being extinguished; unquenchable; as, inextinguishable flame, thirst, or rage. Milton.