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English definition of “pure”

pure

adjective  /pjʊr/ us  

pure adjective (NOT MIXED)

[-er/-est only] not mixed with anything else: The scarf is pure silk. It was a moment of pure joy. The mountain air was fresh and pure (= not polluted).

pure adjective (MORALLY GOOD)

[-er/-est only] morally good, or relating to someone’s inner character: His motives were pure, but his approach was tactless.

pure adjective (COMPLETE)

[not gradable] complete; only: Getting the job was pure luck.
purity
noun [U]  /ˈpjʊr·ət̬·i/ us  
the quality or state of not being mixed with anything else: The purity of the city’s water is checked regularly at its reservoirs.
purity
noun [U]  /ˈpjʊr·ɪ·t̬i/ us  
the quality of having good morals and a good character: purity of heart
(Definition of pure from the Cambridge Academic Content Dictionary © Cambridge University Press)
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