adj
Freq #144685
Meanings
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1
adj
impossible or extremely difficult to extinguish
The miners feared an inextinguishable fire deep within the coal seam.
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2
adj
impossible to suppress, destroy, or bring to an end
She retained an inextinguishable hope of finding the missing records.
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Etymology
Formed from in- ("not") + extinguishable. Extinguish comes through Latin exstinguere ("to quench, put out"). The figurative sense applies the image of an unquenchable flame to hope, desire, memory, or will.