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English definition of “impure”

impure

adjective uk   /ɪmˈpjʊər/ us    /-ˈpjʊr/

impure adjective (MIXED)

mixed with other substances and therefore lower in quality: impure heroin/goldMixing and mixturesVariety and mixturesConnecting and combiningGroups and collections of thingsQuite good, or not very goodSuitable and acceptable

impure adjective (BAD)

literary or humorous involving sexual thoughts or behaviour that are wrong or not moral: She was accused of having impure thoughts about her male students.Morally wrong and evilDishonestRelating to sex and sexual desireRude and cheeky
(Definition of impure from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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