INEXTINGUISHABLE
Source: 566, 567
inextinguishable. Inextinguishable, a. unquenchable, not to be put out
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In′ex‐tin″guish‐a‐ble (?), a. Not capable of being extinguished; extinguishable; unquenchable; as, inextinguishable flame, light, thirst, desire, feuds. “Inextinguishable rage.” Milton.