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Synonyms
adulterate, adulterated, alloyed, contaminated, dilute, diluted, polluted, tainted, thinned, weakened
Antonyms
fine, pure, ultrapure, unadulterated, unalloyed, uncontaminated, uncut, undiluted, unmixed, unpolluted, untainted
Recent Examples on the Web
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'impure.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
15th century, in the meaning defined above
Middle English, from Middle French & Latin; Middle French, from Latin impurus, from in- + purus pure
More Definitions for impure
impure
See the full definition for impure in the English Language Learners Dictionary
More from Merriam-Webster on impure
Rhyming Dictionary: Words that rhyme with impure
Thesaurus: All synonyms and antonyms for impure
Spanish Central: Translation of impure
Nglish: Translation of impure for Spanish Speakers
Britannica English: Translation of impure for Arabic Speakers
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