Similar words: distinguishable, indistinguishable, undistinguishable, extinguish, extinguisher, extinguished, fire extinguisher, distinguish. Meaning: [‚ɪnɪk'stɪŋgwɪʃəbl] 
adj. difficult or impossible to extinguish.
adj. difficult or impossible to extinguish. 
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1. He has an inextinguishable passion for knowledge.
2. If they are also inextinguishable, then what do they involve?
3. But I think there nevertheless remains an inextinguishable, if a tiny, hope.
4. A single word may be a spark of inextinguishable thought.
5. A few simple brushstrokes have captured the essence of her inextinguishable hope for a better future.
6. Paladins smite enemies with divine authority, bolster the courage of nearby companions, and radiate as if a beacon of inextinguishable hope.
7. The traditional philosophy of the Three Principles of the People is the ever-lasting inextinguishable truth, and also the full confidence in winning the final victory of National Revolution.
More similar words: distinguishable, indistinguishable, undistinguishable, extinguish, extinguisher, extinguished, fire extinguisher, distinguish, distinguishing, distinguished, undistinguished, languishing, perishable, punishable, imperishable, inextricable, anguish, anguished, languish, linguist, linguistic, washable, linguistics, linguistically, inextricably, metalinguistic, psycholinguistic, inexorable, inexcusable, inexplicable.