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.

Origin of impurity

1400–50; late Middle English impurite < Latin impūritās. See impure, -ity

Synonyms for impurity Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for impurity

Contemporary Examples of impurity

Historical Examples of impurity

  • The minutest trace of some impurity or foreign odor may spoil the whole effect.

    Creative Chemistry

    Edwin E. Slosson

  • Gambling, drinking, impurity—all the physical vices—were to Mr. Hardy the lowest degradation.

    Robert Hardy's Seven Days

    Charles Monroe Sheldon

  • Cleanse my heart from all impurity, and strengthen me for all usefulness: help me to daily live this prayer.

    Leaves of Life

    Margaret Bird Steinmetz

  • My people lust after false gods, for the spirit of impurity has seduced them.

    Creed And Deed

    Felix Adler

  • In order to secure true Faith or Monotheism, every impurity that stains it should be cast away.

    Letters from a Sf Teacher

    Shaikh Sharfuddn Maner

British Dictionary definitions for impurity


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