the quality of being unchanging or unwavering, as in purpose, love, or loyalty; firmness of mind; faithfulness.
uniformity or regularity, as in qualities or conditions; invariableness.

Nearby words

  1. constable glass,
  2. constable, john,
  3. constabulary,
  4. constance,
  5. constance, lake,
  6. constans i,
  7. constant,
  8. constant de rebecque,
  9. constant de rebecque, henri benjamin,
  10. constant dollar

Origin of constancy

From the Latin word constantia, dating back to 1520–30. See constant, -ancy Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for constancy

British Dictionary definitions for constancy



the quality of having a resolute mind, purpose, or affection; steadfastness
freedom from change or variation; stability
psychol the perceptual phenomenon in which attributes of an object appear to remain the same in a variety of different presentations, e.g., a given object looks roughly the same size regardless of its distance from the observer
ecology the frequency of occurrence of a particular species in sample plots from a plant community
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 constancy



1520s, from constance + -cy.

Online Etymology Dictionary, © 2010 Douglas Harper