[ im-pyoor-i-tee ]
/ ɪmˈpyʊər ɪ ti /

noun, plural im·pu·ri·ties for 2.

the quality or state of being impure.
Often impurities. something that is or makes impure: After the flood the authorities warned against impurities in the drinking water.

Nearby words

  1. impune,
  2. impunity,
  3. impure,
  4. impure flutter,
  5. impurely,
  6. imputable,
  7. imputation,
  8. imputation system,
  9. impute,
  10. imputed

Origin of impurity

1400–50; late Middle English impurite < Latin impūritās. See impure, -ity Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for impurity

British Dictionary definitions for impurity


/ (ɪmˈpjʊərɪtɪ) /

noun plural -ties

the quality of being impure
an impure thing, constituent, or elementimpurities in the water
electronics a small quantity of an element added to a pure semiconductor crystal to control its electrical conductivitySee also acceptor (def. 2), donor (def. 5)
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for impurity



mid-15c., "thing which makes or is impure;" c.1500, "fact or quality of being impure," from Middle French impurité, from impur (see impure). Related: Impurities.

Online Etymology Dictionary, © 2010 Douglas Harper