American English

Definition of impure adjective from the Oxford Advanced American Dictionary

     

    impure

     adjective
    adjective
    NAmE//ɪmˈpyʊr//
     
     
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  1. 1not pure or clean; not consisting of only one substance but mixed with one or more substances, often of poorer quality impure gold
  2. 2 (old-fashioned or formal) (of thoughts or feelings) morally bad, especially because they are connected with sex impure thoughts/motives opposite pure
See the Oxford Advanced Learner's Dictionary entry: impure