impure

 
Pronunciation: /ɪmˈpjʊə, ɪmˈpjɔː/

adjective

  • 1mixed with foreign matter; adulterated: an impure form of heroin
  • dirty: a parasite that thrives in impure water
  • (of a colour) mixed with another colour.
  • 2morally wrong, especially in sexual matters: citizens suspected of harbouring impure thoughts
  • defiled or contaminated according to ritual prescriptions: the perception of woman as impure

Derivatives

impurely

adverb

impureness

noun

Origin:

late Middle English (in the sense 'dirty, containing offensive matter'): from Latin impurus, from in- 'not' + purus 'pure'